Using the best exhaust for challenger srt8 can solve problems that come from cheap or poorly fitted systems, such as rattling noises, reduced engine power, or even corrosion after a few seasons. A low-quality exhaust often struggles with heat management and doesn’t line up with the chassis, causing leaks or premature wear.
Those issues are especially frustrating after spending time and effort installing what seemed like a solid upgrade.
A good exhaust for this car is made from durable materials like stainless steel that resist rust and withstand high temperatures. Diameter matters too; most efficient systems use pipes around 3 to 3.5 inches to balance airflow and backpressure, which affects power and sound. Fitment is crucial, as a precise match improves performance and safety by avoiding leaks and keeping heat away from sensitive parts.
Basic cleaning involves rinsing off debris and checking welds every so often to keep things running smoothly.
Need a Quick Check?
| Image | Product | Price |
|---|---|---|
Our Top Picks 1 ![]() | Borla Hellcat Cat-Back | Check Price |
Our Top Picks 2 ![]() | Flowmaster American Thunder | Check Price |
Our Top Picks 3 ![]() | Auto Dynasty 2.5 Oval | Check Price |
Our Selected Top 12 Exhaust for Challenger Srt8 Picks for Every Need
This list includes different types of exhaust systems designed for a specific muscle car model. Each review covers how well the exhaust performs, the type of driver it suits, and its advantages and disadvantages, helping you understand which one matches your needs.
1. BORLA 140646 Cat-Back Exhaust System for Dodge Challenger SRT Hellcat
This Borla exhaust system suits Dodge Challenger SRT Hellcat drivers who want a durable upgrade that sounds aggressive without annoying drone. Its biggest strength is the solid build that promises reliability under daily driving and spirited runs alike.
Installing the exhaust bolts right on without cutting or welding, which saves time and avoids complications. The T-304 stainless steel resists rust, so it holds up well over time. You can expect it to fit perfectly given the exact dimensions, while no drone means cabin noise is controlled even at highway speeds.
The system delivers a deep, throaty growl that improves engine tone noticeably. Its all-welded design feels sturdy and unlikely to loosen with driving. The weight of about 60 pounds balances durability and ease of handling during installation.
Some report the paint finish scratches easily, but the sound quality and fit get consistent praise.
This Borla Cat-Back Exhaust System is made from T-304 stainless steel, which stands up well over time, even under tough conditions. Its all-welded construction makes it sturdy and less likely to leak. The bolt-on installation saves time and effort, although the 60-pound weight means handling it alone can be awkward. Some find the sound louder than expected at idle.
Drivers who want a deeper, more aggressive exhaust note will appreciate this system. It suits people who don’t mind a louder ride and want durable materials. Those who prefer a quieter, more discreet exhaust tone or need the easiest possible install might consider other options that focus more on noise reduction or lighter weight parts.
This exhaust fits the Dodge Challenger SRT Hellcat well and works with stock components without modifications. It does not cause annoying drone on the highway, which helps for longer trips. Be prepared for occasional tightening after installation, as heat cycles can settle the welds and joints in the first few hundred miles.
Pros
- Rust-resistant T-304 stainless steel construction
- Bolt-on fit reduces installation time
- All-welded design adds strength and durability
- No drone promise improves cabin comfort
Cons
- Painted exterior can scratch with rough handling
- Relatively heavy compared to some aftermarket options
| Specification | Details |
|---|---|
| Material | T-304 Stainless Steel |
| Installation Type | Bolt On |
| Weight | 59.6 pounds |
| Dimensions | 45 x 31 x 11 inches |
| Model Number | 140646 |
| Made In | USA |
2. Flowmaster American Thunder Cat-Back Exhaust System
This is a full cat-back exhaust system made for the Challenger SRT8. It suits someone who wants a louder, more aggressive exhaust note without losing too much daily drivability.
Its biggest strength lies in the balance of sound and performance it achieves.
Setting this up is straightforward since it comes with all necessary hangers and hardware. Installation fits the SRT8 model well, avoiding major modifications. The tubing is mandrel bent, which helps maintain smooth exhaust flow.
Daily driving tends to be comfortable with moderate drone, though the sound increases noticeably when pushing the throttle.
The exhaust delivers a clear boost in performance and a richer tone. Its stainless steel build feels solid and should resist rust over time.
A common positive point is how well-tuned the sound is, aggressive but not overwhelming. Some mention that the noise level might be a bit high for quiet neighborhoods at times.
The Flowmaster American Thunder Cat-back Exhaust System is often praised for its strong and aggressive sound that fits well with performance driving. The stainless steel construction feels solid, and installation goes smoothly with the included hangers and hardware. On the downside, some find the sound louder than expected and feel it might be too aggressive for daily driving.
This exhaust system suits drivers who want a noticeable boost in exhaust tone and durability without major modifications. It’s aimed at those looking for a moderately aggressive sound with raw power, especially fitting for muscle cars like the Challenger SRT8. Those preferring quieter rides or street-friendly noise levels might want to consider softer exhaust options.
Cleaning the Flowmaster exhaust is straightforward thanks to its stainless steel tubing, which resists rust and staining well. Storage won’t take up extra space due to its compact design. The moderate to aggressive sound stays consistent over time, providing a satisfying driving soundtrack for those who want to hear every rev.
Pros
- Includes hangers and hardware for easy installation
- Tuned for strong, aggressive exhaust tone
- Durable 16 gauge stainless steel tubing
- Mandrel bends maintain exhaust flow
Cons
- Louder exhaust may be too much in quiet areas
- Heavier weight adds to rear suspension load
| Specification | Details |
|---|---|
| Brand Name | Flowmaster |
| Model Number | 817499 |
| Material | 16 gauge stainless steel |
| Weight | 72 pounds |
| Sound Level | Moderate to Aggressive |
| Design | Mandrel bent dual rear exit |
3. Auto Dynasty 2.5 Oval Cat-Back Exhaust System for Dodge Challenger
This is a 2.5-inch cat-back exhaust system designed for 2009-2014 Dodge Challenger 5.7L models. It appeals to someone looking for a solid performance boost with a deep, strong sound without losing smooth driving characteristics. Its main strength lies in improving exhaust flow while keeping an aggressive yet refined tone.
Setting up involves reusing your existing OEM exhaust tips, which keeps things straightforward. The aluminized steel and mandrel bends make the system sturdy and relatively easy to handle during installation.
Regular drives reveal it handles daily use well, offering a noticeable improvement in sound without being too loud or harsh. Cleaning mostly involves wiping down the matte black muffler finish.
The system improves exhaust flow clearly and maintains a powerful sound that doesn’t get annoying during cruising. It’s made from aluminized steel with TIG welded joints, which resists corrosion and holds up under pressure.
One highlight from the reviews is its durable construction. A common complaint relates to having to reuse OEM tips instead of including new ones, which can be a minor inconvenience.
The Auto Dynasty 2.5 Oval Cat-Back Exhaust System fits 2009-2014 Dodge Challenger 5.7L models with 2.5-inch piping throughout. It improves exhaust airflow while keeping a balanced sound without being too loud or raspy. The aluminized steel and CNC TIG welding provide solid durability. Installation is straightforward but requires reusing OEM exhaust tips, which some find inconvenient.
This exhaust works well for drivers who want a noticeable but not overwhelming performance and sound upgrade on their Challenger. It suits daily driving and casual spirited drives with solid build quality that can handle varying conditions. Enthusiasts looking for a louder or more aggressive sound may want to explore other options designed specifically for SRT8 models.
People satisfied with this product are those who prioritize smooth exhaust flow and reliable materials over extreme noise levels. The simple installation process makes it accessible for people comfortable with basic wrenching and bolt-up parts. Those after a more aggressive or deep tone might prefer systems that cater to higher-performance trims or custom setups.
Pros
- Improves exhaust flow with consistent 2.5″ piping
- Durable aluminized steel resists pressure and corrosion
- Matte black finish muffler looks clean
- Installation is straightforward using existing OEM tips
Cons
- Must reuse OEM exhaust tips, no extras included
- Sound might still be too loud for some daily drives
| Specification | Details |
|---|---|
| Major Piping Diameter | 2.5″ OD |
| Inlet Size | 2.5″ OD |
| Outlet Size | 2.5″ OD |
| Material | Aluminized steel |
| Finish | Matte black painted muffler |
| Weight | 57 pounds |
4. BORLA 140650 Cat-Back Exhaust System for Dodge Challenger SXT & GT V6
This exhaust system suits someone wanting a straightforward upgrade for a Dodge Challenger SXT or GT V6. It’s especially for a person who values durable materials and a no-fuss installation.
The biggest strength lies in its all welded construction plus the use of T-304 stainless steel for long-lasting performance.
Setting up this exhaust is mostly bolt-on, which cuts down on extra work like welding or modifying parts. The system arrives well constructed but a bit heavy at 54 pounds, so getting help or the right tools makes it easier.
Daily driving reveals no drone, thanks to the no drone guarantee, which keeps cabin noise comfortable even during highway runs.
The main job of improving exhaust flow and sound runs smoothly. The sturdy T-304 stainless steel holds up well against rust and heat, which is critical under the hood.
Positive feedback highlights solid build quality and a clear sound. Some mention the weight as a downside since the system isn’t lightweight compared to others.
The BORLA 140650 Cat-Back Exhaust System provides a clear, aggressive sound without causing drone inside the cabin. It is made of T-304 stainless steel which stands up well to road conditions and heat. Some have found that installation takes longer than expected, especially on models not extensively modified, and it requires a lift or ramps to access the underside properly.
This exhaust fits well on Dodge Challenger SXT and GT V6 models, delivering a noticeable improvement in exhaust tone and flow. Drivers wanting a deep growl without excessive volume at cruising speeds will appreciate this setup. People looking for a louder or more aggressive tone like that found on SRT8 versions might want a different system designed specifically for higher-performance.
Routine cleaning involves rinsing off dirt and road debris to keep the pipes shiny; discoloration can happen after extended use but does not affect performance. Storing the system indoors during long periods of non-use helps prevent surface rust. The welded construction gives the exhaust durability, but once installed, removal can be difficult without damaging clips or bolts.
Pros
- T-304 stainless steel resists corrosion well
- Bolt-on installation saves time and effort
- No drone guarantee keeps interior quiet
- All welded construction improves durability
Cons
- System weight is on the heavier side
- Dimensions require enough space for fitting
| Specification | Details |
|---|---|
| Material | T-304 Stainless Steel |
| Installation | Bolt On |
| Weight | 54 pounds |
| Dimensions | 45 x 31 x 11 inches |
| Model Number | 140650 |
| Made In | USA |
5. MBRP Catback Exhaust System
This MBRP Catback Exhaust System suits someone wanting a noticeable boost in power and a deeper sound for their Challenger SRT8. It stands out for improving torque and horsepower without complex installation steps, making it a solid choice for muscle car enthusiasts who like straightforward upgrades.
Installation requires some mechanical skill, but the aluminized steel holds up well against rust, which helps with durability over time. The 3-inch tubing is a good size for airflow, and the dual 3-inch tailpipes give the car a strong presence on the road. Daily driving feels sharper with quicker throttle response and cooler exhaust temperatures, which helps engine performance on longer drives.
The system is built from aluminized steel that balances corrosion resistance and cost. Most feedback highlights firmer throttle and smoother acceleration.
Some found the exhaust sound louder than stock, but that’s expected and part of its appeal. A few mention the fit can be a little tight during installation, requiring patience or minor adjustments to brackets.
The MBRP Catback Exhaust System increases horsepower and torque noticeably, and its 3-inch aluminized tubing helps keep exhaust gas temperatures down. Most people appreciate the deep sound without being too loud. A common complaint is the difficulty of installation due to limited space under some vehicles, which may require extra tools or help to fit properly.
This exhaust system suits those who want a solid balance between performance and a controlled aggressive tone. It fits well on muscle cars like the Challenger SRT8. Those looking for a quieter exhaust or an easy bolt-on option might want to consider other products that come pre-packaged with clearer installation instructions.
People focused on increased throttle response and better engine breathing during spirited driving will find this system meets those needs. It works best in setups that can accommodate its size without extensive modifications. The materials and design indicate it can handle daily use, but the weight and complexity call for some mechanical skill for a smooth setup.
Pros
- Improves torque and horsepower noticeably
- Durable aluminized steel construction
- Sharpens throttle response effectively
- Dual pipes give a strong exhaust note
Cons
- Fit can be tight, needing adjustments during install
- Sound level may be louder than some expect
| Specification | Details |
|---|---|
| Material | Aluminized steel |
| Tubing Diameter | 3 in |
| Exit Design | Dual, 3 in tailpipes |
| Weight | 69 pounds |
| Model Number | S7114AL |
6. MagnaFlow Cat-Back Exhaust System 19367
This MagnaFlow Cat-Back Exhaust System 19367 fits the 2015-2023 Dodge Challenger SRT8. It suits someone who wants a bold, race-inspired sound while keeping things reliable.
Its biggest strength lies in delivering a powerful exhaust tone that stands out both on the street and the track.
Installation is straightforward due to the direct-fit design and included hardware, making it achievable for someone comfortable with DIY projects. The system’s lightweight construction helps keep overall vehicle weight down. Daily driving shows the exhaust delivers a balanced rumble without being excessively loud or annoying during regular cruising.
The exhaust improves engine breathing by smoothly evacuating gases, which should increase power and performance. It is built from durable materials and sized carefully through 3D scanning for an OEM-like fit.
The most praised feature is how the sound matches racecar expectations, while some users note it could be too loud without a resonator option.
This exhaust system delivers a deep, aggressive sound that fits the muscle car image of the Dodge Challenger SRT8 perfectly. Installation is straightforward since the system includes all necessary hardware and is designed using 3D scanning for a precise fit. On the downside, the exhaust can be quite loud for daily driving, which might be a drawback in quieter neighborhoods.
Drivers seeking to boost their Challenger’s engine performance and sound will appreciate this setup. Its lightweight design helps improve exhaust gas flow, adding slight horsepower gains suitable for street and occasional track use. Those who prefer a more subtle exhaust tone or need a quieter ride for everyday commuting may want to look for alternatives with less aggressive sound signatures.
The construction warranty gives some assurance of durability, which is useful for those who plan to keep the system over many years. Cleaning the pipes is easy enough, but the large size means storage can be awkward during off-seasons. The system fits well and doesn’t require major modifications, making it a practical upgrade for muscle car enthusiasts ready to add.
Pros
- Direct-fit design with included hardware
- Lightweight setup thanks to design
- Race-inspired, aggressive exhaust sound
- Limited lifetime warranty for durability
Cons
- Sound may be too loud for some daily drivers
- No alternative muffler options for quieter use
| Specification | Details |
|---|---|
| Fitment | 2015-2023 Dodge Challenger |
| Weight | 59 pounds |
| Dimensions | 56.75 x 12.25 x 28 inches |
| Type | Cat-Back, Competition Series |
| Warranty | Limited lifetime construction warranty |
7. Flowmaster American Thunder Cat-Back Exhaust System
This exhaust system suits anyone who owns a Challenger SRT8 and wants stronger performance with a deep, aggressive sound. Its biggest strength is combining a serious power boost with reliable construction that fits using the factory hangers.
It works well for drivers looking to upgrade without complicated installs.
Setting this exhaust up mostly involves swapping parts directly onto the factory hangers, which keeps the installation straightforward. The stainless steel pipes resist corrosion, so there’s less worry about rust over time. The tuned resonators keep the sound clear without too much drone during daily driving, making it manageable for long drives and around town use.
The system uses Flowmaster’s exclusive scavenger X-pipe, which improves exhaust flow and helps the engine breathe better. That leads to noticeable power gains and a fuller exhaust note without being overwhelming. The build quality feels solid with durable stainless steel, but some mention the system can be louder than expected on start-up or throttle bursts.
The lifetime limited warranty adds confidence in the product’s long-term durability.
This Flowmaster American Thunder Cat-back Exhaust System gets high marks for its deep, aggressive sound that fits well with muscle cars like the Challenger SRT8. The stainless steel build holds up well under daily use and the factory hanger locations make installation straightforward. Some find it louder than expected, especially at low speeds, which can be a drawback during regular.
This exhaust suits drivers seeking a noticeable performance boost and louder exhaust note without major modifications. People wanting a quieter ride or a more subtle improvement might want to look at other options designed for a calmer sound or different tuning. The weight and sound level could be too much for everyday city driving.
The system’s lifetime limited warranty adds confidence in its durability. Regular cleaning can keep the pipes from discoloring, and the resonators do a decent job at controlling drone on highways. Storage is simple since it fits in the existing mounts, saving time reinstalling after any maintenance.
Pros
- Uses factory hanger locations for easy installation
- Durable stainless steel resists rust and corrosion
- Specially tuned resonators reduce unwanted cabin drone
- Includes lifetime limited warranty
Cons
- Starts louder than expected on throttle bursts
- System weight might affect some with lighter suspension setups
| Specification | Details |
|---|---|
| Manufacturer Part Number | 817737 |
| Material | Stainless Steel |
| Item Weight | 59.6 pounds |
| Exhaust System Type | Cat-back |
| Included Components | Flowmaster 817737 Exhaust System Kit |
8. Flowmaster 717830 FlowFX Cat-Back Exhaust Kit
This Flowmaster FlowFX Cat-Back Exhaust Kit fits a Challenger SRT8 aimed at someone looking for a solid upgrade without too much fuss. Its biggest strength is the straightforward design that fits into factory hangers, making installation less troublesome compared to some aftermarket systems. It suits drivers wanting a performance boost while keeping the original exhaust layout.
Installing the kit uses the factory hanger locations, so there’s no need for custom brackets or welding in most cases. The stainless steel pipes are mandrel-bent, which keeps things smooth inside for better flow.
The X-pipe crossover helps balance exhaust pulses, improving sound and power. The tailpipes neatly fit into the factory bezels, so the final look remains close to stock, which is practical for daily driving and parking.
The mufflers use a straight-through design, aiming for a balance between deep sound and performance. The kit is dyno-tuned to maximize output without becoming too loud or raspy on regular drives. Build quality is good thanks to stainless steel construction, although some reviews note the sound might not be as aggressive as expected.
The installation hardware is all included. That said, a few found the fitment slightly off in certain model years, requiring some adjustments.
The Flowmaster 717830 FlowFX Cat-Back Exhaust Kit is known for delivering a noticeable increase in engine sound and performance. It features stainless steel construction and a scavenger x-pipe design that aims to improve exhaust flow. Common concerns include installation difficulties and fitment issues with some vehicle models, leading to adjustments or extra time during setup.
This exhaust works well for those interested in a louder, more aggressive sound from their Challenger SRT8 without extensive modifications. It suits drivers who can handle some installation at home or with a mechanic. Avoid this model if seeking a quieter system or want a plug-and-play setup with guaranteed perfect fit out of the box.
For daily use, the kit holds up well over time due to its stainless steel parts. The tailpipes exit through factory exhaust bezels, so the look remains mostly stock. Noise levels meet expectations for a performance muffler, though some might find it a bit louder than anticipated for street driving. Maintenance consists mainly of checking hangers and occasional surface cleaning.
Pros
- Fits factory hangers for easier installation
- Includes all necessary hardware in kit
- Balanced sound with scavenger series X-pipe
- Durable stainless steel construction
Cons
- Fitment may require minor adjustments
- Sound not as aggressive as some expect
| Specification | Details |
|---|---|
| Brand Name | Flowmaster |
| Model Number | 717830 |
| Material | Mandrel-bent Stainless Steel |
| Weight | 48.7 pounds |
| Included Components | Complete Cat-Back Exhaust System Kit |
| Warranty | Manufacturer’s Limited Lifetime Warranty |
9. BORLA 140678 Cat-Back Exhaust System for Dodge Challenger SRT Hellcat
This exhaust system fits Dodge Challenger SRT Hellcat drivers who want a durable upgrade with easy installation. Its highlight is the all-welded T-304 stainless steel construction that promises long-lasting rust resistance and solid performance without extra noise drone.
Installation is straightforward since it bolts on directly to the factory mounts, meaning you don’t need major modifications. Day-to-day, the painted exterior helps keep it looking good despite weather exposure. The no-drone guarantee suggests it stays quiet enough inside the car, which makes daily drives more comfortable without compromising the deep exhaust sound.
It reliably improves exhaust flow with a sturdy build from US-made materials. The 51-pound system feels solid but manageable during handling or installation. People mention the loudness delivery meets expectations, though a few note it can get louder than hoped at higher revs.
The main praise centers on solid construction and a crisp sound, while the clearest complaint is about the increased cabin noise in certain conditions.
The Borla 140678 Cat-Back Exhaust System fits directly onto the Dodge Challenger SRT Hellcat with no modifications needed. It is made from T-304 stainless steel and has all welded construction, making it durable and resistant to rust. The exhaust produces a satisfying deep sound without causing the annoying drone some systems have.
This exhaust system suits those who want a sturdy, long-lasting upgrade that improves the Hellcat’s sound without being too loud inside the car. It is best for people who value quality materials and easy installation. Those looking for a lighter or simpler exhaust setup to save weight or costs might be better off considering different options.
Cleaning the system is straightforward since the stainless steel resists corrosion and discoloration, even after exposure to road salts or harsh weather. Over time, the paint on the exterior holds up well, although some have noticed minor surface scratches from typical road debris. Storage doesn’t require special care beyond normal garage conditions to prevent unnecessary wear.
Pros
- Durable stainless steel resists corrosion
- Bolt-on design for easy setup
- Painted finish reduces visible wear
- Quiet inside cabin with no drone
Cons
- Louder exhaust notes at high RPMs
- System adds noticeable weight to rear
| Specification | Details |
|---|---|
| Model Number | 140678 |
| Material | T-304 Stainless Steel |
| Installation Type | Bolt On |
| Weight | 51 pounds |
| Exterior | Painted |
| Made In | USA |
10. BORLA 140627 Cat-Back Exhaust System for Dodge Challenger R/T
This cat-back exhaust system is designed for Dodge Challenger R/T drivers who want a strong, classic sound without complicated installation. It suits someone comfortable with basic car modifications and looking for durable materials that hold up under regular driving. Its main strength lies in how it balances sound quality and easy mounting.
Setting this exhaust up involves the typical bolt-on process that fits without major adjustments. The all-welded construction means fewer parts to worry about coming loose.
Handling everyday driving, the stainless steel resists rust, so the system keeps its look and function. It doesn’t need special maintenance beyond occasional checks for any loose bolts or minor surface cleaning.
Performance meets expectations with a deep, classic BORLA tone that isn’t too loud but definitely noticeable. The 304 stainless steel build feels solid and looks clean under the car. The loudness and sound quality impress, but some users mention the exhaust sound can be slightly louder than expected.
Durability is praised, while a common gripe is the need for additional gaskets to prevent minor leaks after a while.
This exhaust system made from T-304 stainless steel delivers a distinctive classic BORLA sound that stands out on a Dodge Challenger R/T. Most people find the bolt-on installation straightforward with all welded construction that fits well. Common complaints involve noise levels that might be too loud for some and occasional fitment adjustments needed during setup.
Drivers who enjoy the aggressive sound and want a quality stainless steel build will appreciate this product. It works well for those keeping the Dodge Challenger R/T mostly stock but wanting a notable exhaust note. Others wanting a quieter ride or a more aggressive tone tuned for the SRT8 model might prefer looking at systems designed specifically for that variant.
For daily driving, this exhaust holds up well to heat and general road conditions without rusting. Cleaning is simple since the finish can be wiped down with basic supplies, but the sound may draw unwanted attention in residential areas. Storage when not fitted is compact, just keep it in a dry spot to avoid surface tarnish.
Pros
- Durable 304 stainless steel resists corrosion
- Classic BORLA sound improves performance feel
- Bolt-on design simplifies installation without modifications
- All welded parts reduce chance of leaks
Cons
- Some drivers experience louder exhaust than expected
- May require extra gaskets to stop minor leaks
| Specification | Details |
|---|---|
| Material | T-304 Stainless Steel |
| Installation | Bolt On |
| Construction | All Welded |
| Item Type | Catback |
| Model Number | 140627 |
| Made in | USA |
11. Flowmaster Outlaw Cat-Back Exhaust System
This is the Flowmaster Outlaw Cat-back Exhaust System, suited for someone wanting a louder, deeper exhaust tone on their Challenger SRT8. Its biggest strength is the powerful sound it delivers inside and outside the car without complicated installation.
Installation uses factory hanger locations, so putting this on feels straightforward even in a home garage. The stainless steel construction means it holds up well over time while the 4.00-inch ceramic coated tips stay looking clean despite exposure to heat.
Daily driving produces a deep growl that isn’t overwhelming but still clearly louder than stock.
The exhaust system offers a notable power gain, around 10 horsepower and 13 pound-feet of torque, which is a solid bump for the price. The dual 3.00-inch mandrel-bent tailpipes improve flow without rattle or drone inside the cabin at normal speeds.
The toughest complaint is that the sound might be too loud for quieter neighborhoods, but build quality and sound depth get strong praise.
The Flowmaster Outlaw Cat-back Exhaust System delivers a deep, powerful tone both inside and outside the vehicle, which many find impressive on daily drives and highway cruising. It’s built with full stainless steel and features large 4-inch black ceramic-coated tips that hold up well against weather and corrosion. Some notice the exhaust tone can be quite loud, especially on cold.
People who want a noticeable increase in sound and slight performance gains will appreciate this system. It fits well using factory hanger locations and is known for straightforward installation at home with common tools. Those hoping for a quieter or more subtle exhaust note might want to consider alternatives designed to minimize cabin noise.
This exhaust suits drivers looking to strengthen the muscle car growl on their Challenger SRT8 or similar models without major modifications. Its lifetime warranty adds confidence for long-term use. Routine cleaning focuses on the ceramic tips but the stainless steel pipes resist rust, making maintenance manageable over time.
Pros
- Deep, powerful tone inside and outside vehicle
- Easy to install using factory hangers
- Durable stainless steel construction
- Significant power and torque gains
Cons
- Sound may be too loud for some residential areas
- Black ceramic coating can get scratched during installation
| Specification | Details |
|---|---|
| Tip Size | 4.00-inch Black Ceramic Coated Stainless Tips |
| Pipe Diameter | 3.00-inch Mandrel-bent Dual Tailpipes |
| Material | Full Stainless Steel |
| Warranty | Lifetime Limited Warranty |
| Power Gains | 10 hp and 13 lb.ft. Torque |
| Installation | Uses Factory Hanger Locations |
12. Flowmaster 817633 Outlaw Muffler
The Flowmaster 817633 Outlaw Muffler is designed for drivers who want a louder, deeper exhaust tone on their Challenger SRT8 without complicated installation. It fits directly onto factory hanger points, making it a solid choice for those who prefer a straightforward upgrade with a focus on sound quality.
Installing this muffler is straightforward because it bolts on using existing hanger locations. The stainless steel construction ensures it won’t corrode easily, even after daily drives through wet or salty conditions.
Once fitted, the Outlaw muffler gives off a distinct aggressive sound that stays consistent without excessive drone on long drives. Cleaning mainly involves checking for debris or road salt build-up, which is easy given its accessible design.
This muffler performs well in delivering a deep, powerful exhaust note that stays strong under acceleration. The stainless steel build guarantees durability and resistance to harsh weather. A common compliment is its clear, aggressive sound that feels race-inspired.
One downside mentioned is the loudness inside the cabin, which some find overwhelming during extended trips. Another note is that precision in bolt-on fit can vary slightly with model years, so minor adjustments might be necessary.
This muffler delivers a deep and powerful sound that stands out in daily drives and weekend runs. Installation is straightforward, using factory hanger locations, which keeps it simple for most people. The stainless steel build resists rust well. Some find the aggressive tone too loud for regular street use, especially in quiet neighborhoods.
This exhaust suits anyone wanting a louder, more aggressive sound for a Challenger SRT8 without complicated fitting. It works best for those who enjoy a noticeable rumble and aren’t concerned about a louder cabin. Those seeking a milder or quieter exhaust experience might want to look into mufflers with less aggressive sound profiles.
The muffler’s design focuses on performance gains through dyno tuning, making it attractive for performance enthusiasts. Its solid build and lifetime warranty provide confidence during ownership. Cars that spend most time on highways or track use will appreciate the full effect, while casual drivers might find it more than they need for everyday cruising.
Pros
- Direct bolt-on fits factory hangers precisely
- Stainless steel resists corrosion well
- Delivers loud, aggressive deep exhaust tone
- Lifetime limited warranty included
Cons
- Can be quite loud inside the cabin
- Bolt-on fit may need minor adjustments
| Specification | Details |
|---|---|
| Brand Name | Flowmaster |
| Model Number | 817633 |
| Material | Stainless Steel |
| Installation | Direct Bolt-on using factory hangers |
| Sound | Deep, powerful, aggressive |
| Warranty | Lifetime Limited Warranty |
Comparison of Best Exhaust Systems for Challenger SRT8
| Product | Material | Installation | Weight | Sound |
|---|---|---|---|---|
| Borla Hellcat Cat-Back | T-304 Stainless Steel | Bolt On | 59.6 pounds | No Drone Guarantee |
| Flowmaster American Thunder | 16 gauge Stainless Steel | Includes hangers | 72 pounds | Moderate to Aggressive |
| Auto Dynasty 2.5 Oval | Aluminized Steel | Easy Installation | 57 pounds | Racing Design Sound |
| Borla SXT GT V6 Cat-Back | T-304 Stainless Steel | Bolt On | 54 pounds | No Drone Guarantee |
| MBRP Cat-Back Exhaust | Aluminized Steel | – | 69 pounds | – |
| MagnaFlow 19367 Cat-Back | – | Direct-fit | 59 pounds | Racing Inspired Sound |
| Flowmaster American Thunder | Stainless Steel | Factory Hanger | 59.6 pounds | Specially Tuned Resonators |
| Flowmaster FlowFX Kit | Mandrel-bent Stainless Steel | Factory Hanger | 48.7 pounds | Straight-through Mufflers |
| Borla Hellcat Pro Cat-Back | T-304 Stainless Steel | Bolt On | 51 pounds | No Drone Guarantee |
| Borla R/T Cat-Back | T-304 Stainless Steel | Bolt On | – | Classic Borla Sound |
| Flowmaster Outlaw Cat-Back | Stainless Steel | Factory Hanger | – | Deep Powerful Tone |
| Flowmaster Outlaw Muffler | Stainless Steel | Factory Hanger | – | Deep Aggressive Sound |
- MaterialT-304 Stainless Steel
- InstallationBolt On
- Weight59.6 pounds
- SoundNo Drone Guarantee
- Material16 gauge Stainless Steel
- InstallationIncludes hangers
- Weight72 pounds
- SoundModerate to Aggressive
- MaterialAluminized Steel
- InstallationEasy Installation
- Weight57 pounds
- SoundRacing Design Sound
- MaterialT-304 Stainless Steel
- InstallationBolt On
- Weight54 pounds
- SoundNo Drone Guarantee
- MaterialAluminized Steel
- Installation–
- Weight69 pounds
- Sound–
- Material–
- InstallationDirect-fit
- Weight59 pounds
- SoundRacing Inspired Sound
- MaterialStainless Steel
- InstallationFactory Hanger
- Weight59.6 pounds
- SoundSpecially Tuned Resonators
- MaterialMandrel-bent Stainless Steel
- InstallationFactory Hanger
- Weight48.7 pounds
- SoundStraight-through Mufflers
- MaterialT-304 Stainless Steel
- InstallationBolt On
- Weight51 pounds
- SoundNo Drone Guarantee
- MaterialT-304 Stainless Steel
- InstallationBolt On
- Weight–
- SoundClassic Borla Sound
- MaterialStainless Steel
- InstallationFactory Hanger
- Weight–
- SoundDeep Powerful Tone
- MaterialStainless Steel
- InstallationFactory Hanger
- Weight–
- SoundDeep Aggressive Sound
How to Choose the Right Exhaust for Challenger SRT8
Choosing the right exhaust depends on sound preference, material quality, and fit for the Challenger SRT8. Picking the correct specifications prevents installation issues and reduces the risk of needing replacements, saving both money and effort in the long run.
Fit and Compatibility
Swapping out an exhaust on a Challenger SRT8 can quickly become a hassle if the piece doesn’t line up with the exact model year and trim. For instance, a 2012 model might have slight differences in pipe diameter or hanger placement compared to a 2014.
Missing this detail often means struggling with misaligned connections that lead to leaks or rattles. A properly matched exhaust fits snugly without forcing parts together, making daily drives quieter and more enjoyable.
Many exhausts come as bolt-on kits, which usually fit without extra modifications. Yet, some systems require swapping adapters or additional hangers to ensure stability and avoid damage from vibrations. Checking the product specs for pipe sizes, usually around 2.5 to 3 inches in diameter, and material quality like stainless steel can save time.
These details matter because an exhaust that fits well stays secure through bumps and won’t cause unexpected noises or frequent fixes.
Material Quality
Exhaust systems made from low-quality metals tend to develop rust spots fairly quickly, especially in regions with salty winters or humid summers. This not only looks bad but can cause holes and leaks that affect performance and sound. Stainless steel parts that resist corrosion have proven to last much longer, often outlasting the vehicle itself.
Thickness also plays a key role; pipes around 16 to 18 gauge strike a good balance between durability and heat management. Thinner pipes can warp or crack under extreme conditions, leading to costly repairs.
Welds are another detail that often gets overlooked until a leak develops or a joint breaks. A clean, consistent weld line without gaps or uneven beads indicates better manufacturing quality and will hold up to vibration and heat cycles.
Poor welds not only cause unwanted noise and emissions leaks but reduce the overall structural integrity. Spending a bit more on units with thicker stainless steel and high-quality welds usually pays off by avoiding headaches and repeated fixes down the road.
Sound Characteristics
Driving with some exhausts can quickly get tiring because of constant drone, especially on highway speeds around 65-75 mph. This low-frequency rumble can make long trips uncomfortable and even interfere with phone conversations. Choosing a setup with well-designed mufflers helps avoid this; many models use straight-through or chambered mufflers to tune sound levels and reduce unpleasant tones.
Pay attention to the muffler size, generally, those between 3 to 4 inches in diameter balance sound and flow without overwhelming cabin noise.
An aggressive growl feels thrilling when accelerating but can become a headache during casual cruising. Exhausts with adjustable or replaceable resonators let you fine-tune the sound profile. Stainless steel constructions also keep tone consistent as they age, avoiding harsh metallic noises.
Consider setups noted for a balanced sound rather than those just promising maximum volume. A moderate roar often suits daily driving better, keeping the engine’s personality without overwhelming fatigue.
Performance Impact
Replacing the stock setup often results in a noticeable bump in horsepower and torque, sometimes in the range of 10 to 20 extra horsepower. The key is how well the new system improves exhaust flow.
A setup that reduces backpressure allows the engine to breathe easier, which translates to better throttle response and smoother acceleration. Some products stick with large-diameter stainless steel pipes around 3 inches, which help maintain flow without causing issues like exhaust drone or power dips.
Daily driving changes when these factors are addressed properly. Instead of sluggish response or a flat midrange, the engine feels alert and responsive to pedal inputs. There can be a small improvement in fuel economy as the engine runs more efficiently, though the difference isn’t huge.
Look for components designed with mandrel bends and quality welds to ensure consistent flow. Avoid options that use cheap materials or sharp bends that can create backpressure and limit gains.
Installation and Maintenance
Installation can take between one to three hours, depending on the design and the tools at hand. Most setups require standard hand tools like a ratchet, socket set, and sometimes a jack or lift to access the underside comfortably.
Parts made from lightweight stainless steel or coated alloys tend to fit better and resist rust, which cuts down on future hassle. Clear instructions or video guides often come with quality exhaust kits but expect to spend some time loosening old clamps or dealing with stubborn bolts.
Daily use reveals the real test of accessibility. Exhaust sections that can be easily unbolted help a lot when cleaning rust off or swapping out a muffler.
Neglecting this can lead to parts seizing up, causing costly repairs. Pay attention to the material and finish; higher-grade steel holds up longer with less surface corrosion. Maintenance isn’t usually complex, but cleaning carbon buildup and checking clamps regularly keeps noise levels consistent and preserves performance.
Tips for Installing an Exhaust on the Challenger SRT8
Before starting the installation, make sure the vehicle is securely lifted and supported with jack stands. The Challenger SRT8’s factory exhaust system can be heavy and awkward to handle alone, so having a second person helps with aligning and fitting the new parts.
Gathering the right tools is crucial:
- Socket wrenches with extensions
- Penetrating oil for rusty bolts
- Exhaust hanger pliers or pry bars
- Torque wrench for final tightening
Loosen the bolts connecting the current exhaust system while the car is still on the ground. This step prevents the exhaust from dropping too quickly once detached. Replacement gaskets are essential, so avoid reusing old ones to prevent leaks.
Take your time positioning clamps and hangers; a slight misalignment can cause vibrations or rattling sounds during driving.
Maintaining Performance and Sound Quality of Your Exhaust
Regularly checking the exhaust system for leaks is a practical step to keep both performance and sound at their best. Small cracks or loose clamps can cause unwanted noise and reduce efficiency. Use a flashlight to inspect welds and joints every few months, especially after driving on rough roads.
Cleaning is often overlooked but plays a key role. Dirt and grime buildup on the pipes can trap moisture, leading to rust over time.
Wiping down visible parts with a damp cloth and drying thoroughly helps prolong the life of the exhaust. Avoid pressure washing directly on sensitive components.
Here are a few other maintenance tips that work well:
- Check hangers and mounts for wear to prevent rattling noises during drives.
- Monitor sound levels for unusual changes; a sudden drop often signals internal damage.
- Consider professional inspections every 12,000 miles to catch issues early.
Comparing Aftermarket Exhaust Systems for Different Driving Styles
Aftermarket exhaust systems for a Challenger SRT8 vary significantly depending on their design focus. Some prioritize raw power and an aggressive sound, while others offer a more refined, balanced tone that works well for daily driving.
For aggressive street performance:
- Systems with larger-diameter pipes and less restrictive mufflers tend to increase horsepower and produce a loud, rumbling exhaust note.
- These setups can sometimes cause more drone during highway cruising, which might get tiring on long trips.
For daily driving and comfort:
- Systems that use resonators or tuned mufflers reduce noise levels without losing the signature muscle car growl.
- They provide a good balance of sound and strong performance without drawing too much attention in neighborhoods or quiet environments.
Choosing the right exhaust depends on whether you want a track-oriented roar or a street-friendly tone that complements everyday use.
People Also Asked
How Do I Measure Exhaust Size for a Challenger SRT8?
Measure the exhaust size by checking the diameter of the pipe coming out of the muffler or the tailpipe. Most Challenger SRT8 models use a 3-inch diameter pipe, but double-check with a tape measure for accuracy. It’s easier to measure with the car on a lift or ramps to get a clear view without obstruction.
What Maintenance Is Required to Keep an Exhaust System Working?
Regularly inspecting and cleaning the exhaust system keeps it working well. Check for rust or damage, especially around welds and hangers, since salt or water can cause corrosion. Removing dirt and debris from the pipes helps prevent buildup that might affect sound or flow. Tightening loose bolts also stops rattling noises over time.
Are There Safety Concerns with Installing a New Exhaust on SRT8?
Installing a new exhaust on an SRT8 generally doesn’t pose safety risks when done correctly. Make sure the system fits properly to avoid leaks that could let exhaust fumes into the cabin. Using a professional installer can help ensure all connections are secure and heat shields are in place to prevent burns or damage to nearby parts.
How Long Does a Typical Exhaust System Last on a Challenger SRT8?
A typical exhaust system on a Challenger SRT8 lasts around 5 to 7 years. Rust and corrosion usually dictate that lifespan, especially in areas with salty roads. Regularly rinsing the undercarriage during winter months helps slow down rust. Inspecting the system yearly for leaks or damage can catch small issues before they require costly repairs or replacement.
What Common Problems Occur After Installing an Aftermarket Exhaust System?
Common problems after installing an aftermarket exhaust on a Challenger SRT8 include exhaust leaks, rattling noises, and check engine lights. Exhaust leaks often happen at the joints due to improper fitting, so double-check all clamps and gaskets. Some exhausts cause a louder drone inside the cabin, which might get tiring on long drives. Also, some tuning might be needed to avoid error codes.
Conclusion
Sound quality, material durability, and ease of installation stand out as the most important factors when choosing an exhaust for your Challenger SRT8. Finding a setup that improves the engine note without creating excessive drone on longer drives can make a big difference. Sturdy materials like stainless steel last longer, especially if you drive in wet or salty conditions.
Think about where you plan to install the exhaust and how much you’re willing to spend on upgrades. Some options fit tighter spaces or need extra work to mount correctly.
Take another look at the comparison table and the detailed picks above to find the best match for your routine and garage setup.











