Top 12 Best Exhaust for 5.7 Hemi Challenger That Roar

Drivers aiming to upgrade their ride know the frustration of a cheap or ill-fitting exhaust system on a 5.7 hemi challenger. A poorly matched exhaust can cause rattling sounds, reduced power, and even engine strain that chips away at performance over time. Choosing the best exhaust for 5.7 hemi challenger means avoiding these annoyances while improving the car’s growl and efficiency.

The biggest differences show up in materials and fit. High-quality systems use stainless steel to resist rust and last several seasons.

The pipe diameter, often between 3 to 3.5 inches, plays a role in airflow and power gains, too small chokes performance, too large can hurt low-end torque. A precise fit is essential to prevent leaks and rattles, and easier cleaning means less time in the garage maintaining it all.

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Our Top Picks 1	Flowmaster FlowFX Exhaust	Check Price
Our Top Picks 2	Auto Dynasty 2.5 Catback Dodge	Check Price
Our Top Picks 3	Auto Dynasty 2.5 Oval Catback	Check Price

Our Selected Top 12 Exhaust for 5.7 Hemi Challenger for Different Needs

This list includes a variety of exhaust systems for the 5.7 Hemi Challenger, showing how each performs in terms of sound, fit, and durability. It highlights which setups work best for daily driving, performance gains, or budget considerations, along with possible drawbacks to expect.

1. Flowmaster FlowFX Cat-Back Exhaust Kit 717830

This is a cat-back exhaust system made for a 5.7 Hemi Challenger. It suits someone who wants a noticeable sound improvement without changing the outer look of the car.

The strongest feature is its stainless steel construction that fits using the factory hangers, making installation straightforward.

Setting up involves no custom modifications since it uses the factory exhaust bezels and hanger locations. You get everything needed, including hardware, which keeps the process simple.

On a day-to-day basis, the straight-through mufflers reduce back pressure but maintain a deep exhaust note. This system avoids rattles or loose fittings when installed as instructed.

The exhaust performs well in terms of sound and flow thanks to the X-pipe design and dyno-tuning. Stainless steel materials resist corrosion, which should help with longevity. Some notes point out the sound might not be loud enough for those seeking aggressive exhaust noise.

Complaints focus on the fit being less perfect on certain model years, causing slight adjustments during installation.

The Flowmaster FlowFX Cat-Back Exhaust Kit 717830 offers a solid upgrade in sound and performance thanks to its straight-through mufflers and scavenger series X-pipe crossover. It fits well with factory hanger locations and creates a deeper exhaust tone that some find satisfying. However, the weight and fitting curve have been mentioned as difficult during installation, with some fitment requiring adjustment.

This exhaust system suits enthusiasts who want a noticeable sound boost while keeping installation mostly bolt-on using factory points. It works better for those who appreciate the muffler’s particular tone rather than sheer volume or aggressive rasp. People wanting a simpler or quieter upgrade might prefer a different, more basic system for daily comfort.

The stainless steel and mandrel-bent design ensure durability, making it a good choice on 5.7 hemi Challenger models meant for spirited driving. Cleaning involves wiping down the tailpipes occasionally, though the muffler area can be a bit tricky to reach. It’s also wise to allow some patience setting it up due to the heavier parts and precise alignment needed.

Pros

• Uses factory exhaust bezels for clean install
• Stainless steel resists rust and corrosion
• Comes with all hardware needed
• Keeps an aggressive but not overly loud sound

Cons

• Fit can require adjustments on some Challenger years
• Sound may be too mild for extreme exhaust fans

2. Auto Dynasty 2.5 Catback Exhaust System for Dodge Challenger 2015-2018

This Auto Dynasty 2.5 Catback Exhaust System fits 2015-2018 Dodge Challenger 5.7 V8 models. It suits drivers wanting more power and a stronger sound without major mods. Its main strength lies in boosting low-end torque and horsepower noticeably while keeping a smooth exhaust tone.

Installing this exhaust requires no special tools since it bolts directly onto the existing mounts. The package includes all necessary gaskets and hardware, avoiding extra trips for parts. Daily driving feels livelier with the improved air flow, and the dual oval muffler tips add a subtle but sporty look at the rear.

The system runs quietly enough for city streets but opens up nicely on open roads.

The exhaust’s 304 stainless steel construction holds up well against corrosion and pressure thanks to TIG welds and mandrel bends. The performance gain of 15-25 horsepower is clear, especially in low-end torque.

Some users find the sound less aggressive than expected, making it better for those who want noise without being too loud. A common complaint in reviews involves fitment tightness requiring minor adjustments during installation.

The Auto Dynasty 2.5 Catback Exhaust System for the Dodge Challenger 2015-2018 offers a noticeable increase in horsepower, with a 15-25 boost and improved low-end torque. Its stainless steel construction stands up well to daily wear and resists corrosion. A common drawback is fitment issues, which can lead to exhaust leaks or require extra adjustments during installation.

This exhaust fits nicely with the 5.7 Hemi engine, making it a solid choice for those wanting louder, deeper sound and better airflow without major modifications. The direct bolt-on design means it swaps with the factory exhaust easily, but the fit might not be perfect for everyone, especially if you want a flawless fit straight out of the box.

Those looking for a more aggressive tone and improved engine output will appreciate this system. On the other hand, anyone prioritizing perfect factory alignment or ultra-quiet operation might want to consider other brands or aftermarket options that offer tighter tolerances or soundproofing features.

Pros

• Easy direct bolt-on installation with included hardware
• Solid stainless steel resists corrosion over time
• Noticeable horsepower and torque increase
• Dual oval tips provide a clean, sporty look

Cons

• May require minor fit adjustments during installation
• Sound not as loud or aggressive as some might want

3. Auto Dynasty 2.5 Oval Cat-Back Exhaust System for Dodge Challenger

This exhaust system fits 2009-2014 Dodge Challenger 5.7L models and targets people wanting better airflow and a deeper sound without complex installs. Its best feature is a good balance between improved performance and durability in daily driving conditions.

Installation is straightforward since the system uses the existing OEM exhaust tips, which keeps things simple. The aluminized steel pipes with mandrel bends hold up well and resist corrosion, so it doesn’t require special care beyond regular checks.

The matte black muffler finish fits nicely under the car and the 2.5-inch piping feels just right for this engine size.

The exhaust improves airflow noticeably, making the engine sound stronger but not overwhelmingly loud. The TIG welding and CNC precision add to its durability, handling pressure well. Some users note minor fitment tweaks during installation, but most find it quick to set up.

The matte black pipes might show dirt faster than stainless steel, which could annoy some.

The Auto Dynasty 2.5 Oval Cat-Back Exhaust System fits the 2009-2014 Dodge Challenger 5.7L models and stands out for its solid construction with aluminized steel and TIG welded CNC joints. It delivers a deep, powerful sound without being too loud. Some find the matte black finish prone to scratches after extended use on rough roads.

This exhaust is suited for anyone wanting a noticeable growl that won’t overpower daily driving. The design maximizes airflow to improve performance without complex modifications. It works best for those who appreciate a balance between sound and street-friendly volume. People who need a quieter or more subtle exhaust tone might want to look at other options.

Installation is straightforward and uses existing OEM exhaust tips, making the swap fast and simple. The 2.5-inch piping provides good exhaust flow for the 5.7 Hemi engine. Quiet street drivers may find it a little louder than preferred, but muscle car enthusiasts who want a confident, clear exhaust note will find this a solid upgrade.

Pros

• Durable aluminized steel withstands pressure and corrosion
• Fits 2009-2014 Dodge Challenger 5.7L models exactly
• 2.5″ piping maximizes exhaust airflow effectively
• Matte black muffler looks clean under the car

Cons

• Requires reusing OEM tips, no new tips included
• Matte black finish may show dirt and wear visibly

4. BORLA 140627 Cat-Back Exhaust System for Dodge Challenger R/T

This exhaust system fits a Dodge Challenger R/T with a 5.7 Hemi engine and suits someone who wants a noticeable but not overwhelming sound change. Its biggest strength is the classic Borla exhaust tone that stays true to the muscle car feel without being too loud for daily driving.

Installation is straightforward thanks to the bolt-on design, which makes swapping out the factory exhaust easier without cutting or welding. The T-304 stainless steel construction holds up well against rust, so you won’t need to worry about corrosion from road salt or rain.

Using it daily means you get a reliable, consistent exhaust note, and the welded construction means no rattling or leaks over time.

The exhaust performs well in giving the 5.7 Hemi a deeper and more aggressive sound without drone inside the cabin. Its sturdy build, made entirely in the USA, feels durable and precise. The loudness and tone are the most praised parts, while the common complaint is that installation might require some extra effort or tweaks on certain model years to get perfect fitment.

The BORLA 140627 Cat-Back Exhaust System delivers a solid, classic Borla sound that many appreciate under the hood of the Dodge Challenger R/T. Installation fits well since it has bolt-on assembly, making setup straightforward with no extra welding needed. Some complain about the exhaust tone being too loud for daily driving or highway cruising, but this is expected with a.

This exhaust suits drivers who want a deep, aggressive sound that stands out at car meets or on open roads. It works best for people who value a durable, stainless steel system made in the USA. Those seeking a quieter or more subtle exhaust note might want to consider quieter options or mufflers designed to reduce drone on long trips.

Maintenance involves occasional checking for tight bolts and keeping the pipes clean, which is simple given the all-welded construction. The system holds up to regular use without rusting or corrosion, thanks to the T-304 stainless steel. Storage doesn’t require special care beyond standard parking in a dry area to avoid moisture buildup.

Pros

• Solid stainless steel resists rust
• Classic Borla muscle car sound
• Bolt-on makes installation simpler
• All welded construction prevents leaks

Cons

• Fitment may need adjustment on some models
• Installation can be tougher without professional tools

5. Flowmaster FlowFX Cat-Back Exhaust Kit for Ram 1500 5.7L Hemi

This is a Flowmaster FlowFX Cat-Back Exhaust Kit designed for the Ram 1500 with a 5.7L Hemi engine. It suits drivers looking for a louder, deeper exhaust note that improves sound without major installation headaches. Its biggest strength is the strong and punchy tone it delivers inside and outside the vehicle.

The kit fits using the factory hanger locations, making installation straightforward with all necessary hardware included. The tubing is mandrel-bent stainless steel, which helps avoid restrictions and maintains exhaust flow. The large 4.50-inch black ceramic-coated tips add a durable finishing touch.

Handling daily driving keeps your truck sounding aggressive without being overly loud or droning.

The main job of producing a rich, powerful tone is handled well by the Flow FX straight-through muffler. Its 16-gauge stainless tubing holds up to regular wear and heat conditions.

Some appreciate the deep sound that fills the cabin and the area around the truck. One complaint mentioned is that the ceramic coating on the tips can chip if not handled carefully. The exhaust fits well and clears the factory spare tire.

The Flowmaster FlowFX Cat-Back Exhaust Kit stands out for its deep, powerful tone both inside and outside the vehicle. The black ceramic coated stainless steel tips resist rust and look durable over time. Common complaints involve the installation process, which can be tricky for someone without the right tools or experience, and the exhaust sound might be too loud for.

This exhaust system suits drivers who want a louder, more aggressive engine sound and a durable build. It fits the factory hanger locations, so it integrates well without major modification. Those looking for a quieter setup or an easier installation might prefer a different option with simpler hardware or a milder tone.

The 16-gauge mandrel-bent stainless steel tubing ensures good airflow and longevity. Cleaning is straightforward since the ceramic coating helps resist dirt buildup. Storing the components before installation can feel bulky due to the large tips and tubing size, so planning where to keep everything helps during a DIY install.

Pros

• Deep and powerful exhaust tone inside and outside
• Easy installation with factory hangers and hardware
• Durable 16-gauge mandrel-bent tubing
• Ceramic-coated tips resist corrosion

Cons

• Ceramic coating on tips can chip with rough handling
• Heavier than some other exhaust systems at 51.5 pounds

6. BORLA 140678 Cat-Back Exhaust System for Dodge Challenger SRT Hellcat V8

This is a cat-back exhaust system designed for Dodge Challenger SRT Hellcat V8 models. It suits someone looking for a durable, straightforward upgrade that fits well and emphasizes solid build quality.

Its biggest strength is the fully welded construction that promises long-term durability without leaks.

Installing this exhaust is a bolt-on process, so it doesn’t require cutting or complex modifications. The T-304 stainless steel holds up well against rust and heat, which means it stays looking good and performs without issues over time. The system’s weight and design align with the Hellcat’s power needs, giving a noticeable difference without extra fuss in daily driving.

Cleaning usually means just wiping down the painted exterior to keep it tidy.

The exhaust improves sound and flow, matching the Hellcat’s character with a deeper tone that isn’t overwhelming on the highway, thanks to a no drone guarantee. The solid welded joints eliminate leaks and vibration that can cause rattling. A common complaint is its weight at 51 pounds, which adds to the car but keeps the feel authentic.

Some note the painted surface could chip if handled roughly, so care during installation and storage matters.

The Borla 140678 Cat-Back Exhaust System fits well on the Dodge Challenger SRT Hellcat V8 and offers a noticeable boost in sound without excessive drone. Installation bolts on using existing mounts and takes several hours. The system weighs 51 pounds, contributing to a solid build thanks to T-304 stainless steel construction that resists corrosion over time.

Drivers who want a louder, more aggressive exhaust note that stays manageable on highways will appreciate this system. It suits those who enjoy a muscle car’s bark during acceleration and don’t mind a bit of extra noise inside the cabin. Those seeking a quieter or more factory-like drive should consider alternative setups designed for subtlety rather than performance sound.

The all-welded construction holds up well under daily use, resisting rust and wear. Cleaning involves wiping the stainless steel surface occasionally to maintain shine, avoiding abrasive cleaners that can damage the paint. Storage is straightforward if the exhaust needs to be removed, as it keeps its shape and won’t bend easily.

Pros

• Durable welds prevent leaks and rattles
• Resistant to rust and heat
• Easy bolt-on installation
• No drone sound during highway driving

Cons

• System is relatively heavy
• Painted surface can chip if mishandled

7. Flowmaster Outlaw Direct Fit Muffler

The Flowmaster Outlaw Direct Fit Muffler suits drivers who want a bold, aggressive sound from their 5.7 Hemi Challenger without complicated installs. It stands out for its direct bolt-on design, making setup fast and straightforward while delivering a deep, powerful tone that stays true on the road.

Installation is quick because it uses the factory hanger locations, so no extra mounts or custom work are needed. The stainless steel construction means it resists rust, which helps keep it in good shape through daily drives.

The muffler’s fit matches the Challenger’s exhaust system perfectly, so you won’t have to worry about leaks or extra heat shielding.

The muffler offers an aggressive, throaty sound that makes the V8 more noticeable but not overwhelming inside the cabin. It’s made from stainless steel, which gives it durability over time. One of the strongest points is its build quality and realistic sound when compared to factory parts.

Some notes mention the sound can be louder than expected at idle, which might bother some drivers in quiet neighborhoods.

The Flowmaster Outlaw Direct Fit Muffler delivers a deep, powerful sound that many find satisfying for a 5.7 Hemi Challenger. Installation is straightforward since it bolts on using factory hanger locations. Some note the sound runs louder than expected, which could be a downside for daily city use or quieter neighborhoods.

This muffler suits those who want a strong, aggressive exhaust tone and aren’t bothered by added noise. It fits well with performance-minded drivers who appreciate the balance of a street-legal rumble. People looking for a quieter, more subdued exhaust experience might prefer a different model with less volume.

Made from stainless steel, the muffler shows durability against elements and wear. It stays reliable over time without rusting or losing tone quality. Routine cleaning is simple; washing off road grime keeps the muffler looking good, though the louder sound might draw some unwanted attention.

Pros

• Direct bolt-on fit using factory hanger locations
• Durable stainless steel resists corrosion
• Deep, powerful, aggressive exhaust sound
• Quick and easy installation process

Cons

• Louder than expected sound at idle
• May be too aggressive for some daily drivers

8. Flowmaster Outlaw Cat-Back Exhaust System

This cat-back exhaust system suits drivers who want a louder, more aggressive sound and a modest power bump from their 5.7 Hemi Challenger. Its biggest strength is delivering a deep, powerful tone that you can hear clearly inside and outside the vehicle without being annoying or overly loud.

Installation fits with factory hanger locations, so you can put it on at home without needing special tools or modifications. The 4.00-inch black ceramic-coated stainless tips resist rust and look sharp after regular use.

Daily driving shows no rattles or harshness, and the 3.00-inch dual tailpipes help keep exhaust flow smooth, avoiding any restriction or drone at highway speeds.

Performance gains top out at about 10 horsepower and 13 lb.ft.

of torque, which is a solid improvement for this setup. Its full stainless steel build holds up well against road salt and weather. The loud tone consistently impresses, but some mention it might be a bit too aggressive for quieter neighborhoods.

The ceramic coating on tips stands up well, though a few note the finish can chip if you hit close objects.

The Flowmaster Outlaw Cat-back Exhaust System stands out for delivering a deep and powerful tone that is noticeable both inside and outside the vehicle. It offers noticeable performance boosts, with gains around 10 horsepower and 13 lb.ft. of torque, which adds to its appeal. The most frequent criticism targets the strong sound volume, which might be too loud for some.

This exhaust system suits drivers who enjoy a loud, aggressive exhaust tone and want clear performance improvements without extensive modifications. It fits well on Silverado or Sierra models from 2019 using factory hanger locations, making installation straightforward. Drivers preferring a quieter ride or a less aggressive sound might want to consider systems offering a more subtle exhaust note.

Those looking for durability will appreciate its full stainless steel construction and black ceramic-coated tips, which resist corrosion and maintain appearance. Installation can be done at home with basic tools, adding convenience for those comfortable working on their vehicle. Storage of this system is straightforward as it comes as a kit that fits under the truck without protruding excessively.

Pros

• Strong, deep tone both inside and outside
• Black ceramic tips resist rust and wear
• Mandrel-bent pipes maintain smooth flow
• Easy installation with factory hangers

Cons

• Sound may be too loud for some neighborhoods
• Ceramic coating on tips can chip on impact

9. Mopar 5.7L Dodge Challenger Cat Back Exhaust

This cat-back exhaust is designed specifically for the 5.7L Hemi Dodge Challenger. It suits drivers who want a simple upgrade with a noticeable deeper sound and better flow, without dealing with complex installations or aftermarket unpredictability. The standout feature is its T304 stainless steel build, ensuring longevity and a clean look.

Installing this exhaust is straightforward since it bolts on using stainless band clamps, which makes fitting easier without cutting or welding. The tubing is mandrel-bent, which helps maintain smooth airflow.

Everyday driving does not come with unwanted drone, so cruising is comfortable. The polished tips add a sharp visual finish that stays looking good with routine cleaning.

Performance improves thanks to smoother exhaust flow, which helps with horsepower and torque slightly while also aiding fuel economy. The stainless steel construction stands up well against corrosion and heat, making it durable.

Reviews highlight that the clamps hold tightly even on rough roads, though some find the polish can require occasional buffing to maintain shine.

The Mopar 5.7L Dodge Challenger Cat Back Exhaust delivers a noticeably deeper exhaust tone without excessive drone, making daily drives more enjoyable. Installation is straightforward, thanks to the bolt-on design and included stainless band clamps. Some found the price on the higher side, but the quality T304 stainless steel and polished tips hold up well over time without rusting.

People looking to add a subtle but richer sound to their 5.7L Hemi Challenger will appreciate this exhaust. It also offers slight horsepower and torque improvements, which can appeal to those who want some performance gains without major modifications. Drivers who want a louder, more aggressive sound or need extensive aftermarket customization should explore other options.

The exhaust fits perfectly on vehicles with a 5.7L Hemi engine and maintains factory-like reliability. Maintenance involves regular cleaning to keep the polished tips shiny, but the stainless steel tubing resists corrosion effectively. Anyone prioritizing long-term durability along with a modest boost in fuel economy and power will find this a practical upgrade.

Pros

• Durable T304 stainless steel resists corrosion
• Mandrel-bent tubing for efficient exhaust flow
• Easy bolt-on installation with stainless band clamps
• Deeper exhaust tone without annoying drone

Cons

• Polished tips need occasional attention to stay shiny
• Limited to 5.7L Hemi engine Dodge Challengers only

10. BORLA 140650 Cat-Back Exhaust System for Dodge Challenger SXT V6 & GT V6

This Borla cat-back exhaust is made for Dodge Challenger SXT and GT V6 models. It suits drivers who want a durable and well-built system that fits their car without extra modifications.

Its biggest strength is the T-304 stainless steel construction that promises longevity and resistance to rust.

Setting up this system is straightforward with a bolt-on installation, so no welding or cutting is needed. The welded construction means it holds together well under heat and vibration. Daily driving shows no noticeable drone while cruising, which makes longer trips more comfortable.

The system’s painted exterior helps resist weather exposure, keeping the look intact even after some road time.

The exhaust delivers a solid sound that is louder than stock but keeps a clean tone without being overly aggressive. The build quality stands out with heavy-duty welds and stainless steel that lasts. One common praise is the lack of drone on the highway.

Some mention the system’s weight at 54 pounds could add strain during installation. The fit is precise on the designed Challenger models.

This Borla cat-back exhaust system stands out for its solid construction using T-304 stainless steel and completely welded parts, promising durability in tough conditions. Installation is straightforward with a bolt-on design, fitting well on Dodge Challenger SXT V6 and GT V6 models. The main drawback noted is the exhaust noise, which some find louder than expected, though there is a.

Those who prefer a louder, performance-oriented exhaust sound without sacrificing build quality will find this system suitable for daily driving and occasional spirited runs. It handles highway cruising without noticeable drone, making it comfortable on longer trips. Drivers seeking the loudest or most aggressive exhaust noises might need a different setup, as the sound, while firm and deep, avoids extreme.

People looking to upgrade their Challenger’s exhaust for a reliable, sturdy option with a distinct tone will appreciate this build. Greater airflow and a solid, metallic sound mark a nice improvement over stock exhausts. Drivers wanting total silence or minimal noise increase might want to explore systems focused more on quiet operation instead.

Pros

• Stainless steel resists rust and corrosion
• Quiet cruising with no drone on highway
• Easy bolt-on installation with no cutting
• Strong all welded construction

Cons

• Heavier than some other exhaust systems
• Only fits specific Dodge Challenger V6 models

11. SLP LoudMouth Exhaust System for Charger / Magnum / 300C

This exhaust system fits 2005-2010 Dodge Charger, Magnum, and 300C models with the 5.7 Hemi engine. It suits someone wanting a louder, more aggressive sound without complicated installation. Its polished stainless steel parts stand out as the main strength, both for looks and corrosion resistance.

Installing this exhaust is a straightforward bolt-on process. All necessary hardware and instructions come with the package, which cuts down the time needed.

The 2.5-inch mandrel-bent tubing and integrated crossover pipe balance noise levels and flow well during daily driving. The polished tips give the rear end a clean and finished look without extra work in trimming or adjustments.

The exhaust delivers a deep, loud tone that fits well with the 5.7 Hemi’s power characteristics. The build quality is solid thanks to T304 stainless steel and precise bending. The strongest praise points to its sound quality and durability.

Some complaints mention that the loudness might be too much for quieter neighborhoods or daily commuting, but that depends on personal preference.

The SLP LoudMouth Exhaust System fits well on 2005-2010 5.7 Hemi Chargers, Magnums, and 300Cs, using polished stainless steel tubing. It makes the engine of these cars sound louder and more aggressive thanks to the Loud Mouth resonators and PowerFlo-X crossover pipe. Some people note it can be louder than expected inside the vehicle, which might be bothersome on longer.

Drivers who want a guttural, powerful exhaust note that matches the Hemi’s character will appreciate this system. It is especially good for weekend cruisers or anyone who likes their engine sound to stand out. Those who prefer a quieter ride or need a more subdued exhaust for daily commutes might want to look at other mufflers focused on noise reduction.

Installation is straightforward with the bolts and hardware included, making it a solid choice for someone comfortable handling basic mechanical tasks. The stainless construction resists rust, so maintenance mainly involves occasional cleaning to keep the polished finish looking nice. This system holds up well even under regular driving conditions without needing extra adjustments.

Pros

• Durable corrosion-resistant stainless steel build
• Simple bolt-on install with all hardware included
• Polished tips improve rear-end appearance
• Integrated crossover smooths exhaust flow

Cons

• Sound may be too loud for some daily drives
• Only fits specific 2005-2010 models with 5.7 Hemi

12. Flowmaster Force II Cat-Back Exhaust Kit 17405

This is a cat-back exhaust system designed specifically for a 5.7 Hemi Challenger. It fits well for someone who wants a noticeable but not overwhelming exhaust sound. The main advantage is the balance it strikes between improving performance and maintaining a moderate noise level that works on daily drives.

Installation goes smoother than expected because the kit includes all necessary hangers and hardware. Using the factory hanger locations means mounting does not require extra modifications. The 16-gauge stainless steel tubing holds up well and the system connects right after the factory catalytic converters.

The resonators focus the sound nicely, cutting down on harsh interior noise while offering a deep exterior exhaust note.

The exhaust does a solid job of giving the engine a more aggressive sound without being too loud for the neighborhood. The stainless steel tubing is sturdy and mandrel bent for minimal flow restriction. The best point is the quiet cabin thanks to the tuned resonators.

One common gripe is that the system can produce some drone inside the car at certain RPMs, which might bother sensitive ears.

The Flowmaster Force II Cat-Back Exhaust Kit provides a noticeable boost in sound with a deep, moderate exhaust note that fits well with mild to moderate performance upgrades. Installation is straightforward thanks to included hangers and hardware designed to use existing factory hanger locations. Some find the fit slightly off and need adjustments during setup.

Drivers who want a reliable, durable exhaust with controlled sound for a 5.7 Hemi Challenger will find this kit a solid match. The 16-gauge stainless steel tubing improves longevity over stock parts. Those seeking a louder or more aggressive exhaust might prefer a different system aimed at high sound levels.

Daily use brings a clean, moderately aggressive tone without heavy interior drone. The included resonators help minimize cabin noise, making longer drives less tiring. Maintenance involves occasional checking of hangers, but the stainless steel requires little cleaning beyond normal washes. This product balances performance and practicality well for many muscle car enthusiasts.

Pros

• Uses factory hanger locations for easy fitting
• Includes all hangers and hardware in the kit
• Sturdy mandrel-bent 16-gauge stainless steel tubing
• Balanced sound with deep, moderate exterior tone

Cons

• Some interior drone at specific engine speeds
• Sound volume may not satisfy loud exhaust fans

Comparison of Best Exhausts for 5.7 Hemi Challenger

How to Choose the Right Exhaust for 5.7 Hemi Challenger

Choosing an exhaust for a 5.7 Hemi Challenger means focusing on material quality, sound level, and fit. Good materials last longer and resist rust, while proper fit avoids costly modifications. Matching sound preferences prevents unwanted noise issues and ensures enjoyable driving.

Fit and Compatibility

A mismatch in exhaust fit often shows itself quickly. One might notice rattling noises from loose mounts or gaps where exhaust gases escape. Proper alignment with factory mounting points and brackets avoids these issues, keeping the system securely in place.

Most good systems match the stock bolt pattern and use hanger brackets positioned to fit existing rubber mounts. Expect precision in pipe diameters around 2.5 to 3 inches to match the original exhaust size, allowing for easier installation without cutting or modifications.

The design must also ensure no interference with other under-vehicle components like the fuel lines, suspension parts, or heat shields. Some systems use carefully shaped bends and heat-resistant coatings to prevent damage and maintain clearance. A well-fitting exhaust doesn’t just bolt up quickly, it fits snugly without forcing parts together or leaving space for movement.

Checking compatibility usually means confirming the product explicitly states it fits the 5.7 Hemi Challenger. Strong stainless steel construction also helps maintain durability through daily driving and exposure to elements.

Material Quality and Durability

Rust and corrosion often show up within a year or two on exhaust components made from cheaper metals. This doesn’t just look bad; it also leads to holes that cause rattling noises and a drop in performance. Choosing stainless steel, especially 304 grade, or aluminized steel can stop this problem before it starts.

Pipe walls around 16 to 18 gauge tend to handle the constant heat and vibrations better, resisting cracking and thinning over time, which means less frequent replacements.

The quality of the welds makes a noticeable difference in durability. Clean, smooth welds reduce weak spots where cracks can form, particularly near bends and joints.

Using a system built to resist road debris impact and consistent exposure to high temperatures keeps the exhaust intact through harsh weather and daily driving. A good setup feels solid, stays quiet, and doesn’t develop leaks after extended use, so the engine runs as expected without strange noises or loss in power.

Performance Impact

Many drivers expect a noticeable boost in horsepower or torque just by swapping out the exhaust, but without any engine tuning, gains are usually modest. A system with properly sized pipes, typically 2.5 to 3 inches in diameter, supports better exhaust flow, reducing backpressure that limits power. Smaller pipes choke the engine and kill potential gains, while oversized pipes can reduce low-end torque, making acceleration feel sluggish around town.

Fuel efficiency also shifts with exhaust design. A freer-flowing system can improve mileage by allowing the engine to breathe easier, but changes often hover around a 1-3% difference. Stainless steel setups resist corrosion better than aluminized steel, keeping performance consistent over time.

Look for smooth bends and mandrel tubing; these features maintain flow and help avoid rattling or drone, common annoyances on longer drives.

Sound Characteristics

The first time driving with a louder exhaust, the constant drone at 70 mph can quickly become tiring, especially on longer trips. Excessive drone inside the cabin interferes with conversations and music, turning a fun drive into a noisy chore. Models with well-engineered chambers and higher quality muffler packing materials reduce this drone noticeably.

Lower decibel ratings around 85 dB at cruising speeds usually translate into less fatigue. Selecting an exhaust with proper resonators designed for your engine size and vehicle length helps keep noise balanced.

Street legality is another factor. An aggressive tone may turn heads but can also push noise levels beyond local limits, risking tickets.

Confirming compliance with noise regulations avoids surprises during inspections or routine drives. Also, the muffler design influences whether the tone comes off as deep and throaty or sharp and raspy, matching your personal preference can change daily enjoyment. Some people find that aggressive mufflers sound great on quick bursts but feel overpowering in traffic, while moderate models balance presence with comfort over all conditions.

Installation and Maintenance

Many kits arrive with all the parts laid out clearly and include detailed instructions, which makes setting them up in a home garage much more straightforward. Missing hardware or vague directions can turn what should be a few hours of work into an all-day frustration, sometimes requiring extra trips to the store. Pay attention to whether the package includes bolts, clamps, gaskets, and hangers.

A solid DIY installation experience also depends on clear diagrams and step-by-step instructions that match your exact vehicle model.

Maintenance often gets overlooked until a rattle or drop in performance happens. Some mufflers and resonators are welded in place, so replacing them means cutting and welding equipment, which many won’t have on hand.

Others use bolts and flanges that make swapping parts quicker. Cleaning access can vary as well; systems with removable tips or accessible chambers simplify routine checks for rust or debris. Expect regular inspections every 12,000 miles or so, especially if the climate is harsh or roads salted, to keep everything running smoothly.

How to Install an Exhaust on a 5.7 Hemi Challenger Without Professional Help

The first step is to ensure the car is securely lifted with jack stands, giving enough room to work under the Challenger safely. Having all necessary tools on hand makes the process smoother. You will need a socket set, penetrating oil, a rubber mallet, and possibly a saw or reciprocating saw if the old exhaust is rusted in place.

Start by loosening the bolts and clamps on the factory exhaust system. Applying penetrating oil a few hours before helps loosen rusted parts. Carefully detach the hangers holding the exhaust; these can be stubborn but use gentle prying to avoid damage.

• Remove the old exhaust piece by piece, noting how the system fits together for reassembly.
• Test fit the new exhaust before tightening any bolts to confirm proper alignment.
• Replace worn gaskets to prevent leaks.
• Tighten clamps and bolts incrementally, checking for clearance around suspension parts and the frame.

Lastly, double-check all connections and lower the vehicle slowly. Start the engine to listen for leaks or rattles, and re-tighten clamps as needed after a short test drive.

Routine Maintenance Tips to Keep Your 5.7 Hemi Challenger Exhaust in Good Shape

Checking for leaks and rust should be a regular part of maintaining your 5.7 Hemi Challenger’s exhaust. Over time, moisture and road salt can cause corrosion, especially around welds and joints. Using a flashlight and mirror can help spot any early signs without removing the entire system.

Cleaning the exhaust tips helps maintain appearance and prevent buildup. Wipe them down with a microfiber cloth and a metal polish designed for stainless steel or chrome. This routine also helps avoid discoloration caused by heat and road grime.

Pay attention to how your Challenger sounds and performs after cleaning or any repair work. Strange noises or decreased power might indicate blockages or damage to the tubing or mufflers that need immediate attention.

• Inspect hangers and clamps for wear or looseness to prevent parts from rattling or sagging.
• Use a wire brush carefully on the outer pipes during washing to remove dirt and surface rust.
• Store the car in a dry place or use a cover during winter months to reduce moisture exposure.

Comparing Aftermarket vs. Factory Exhausts for the 5.7 Hemi Challenger

The factory exhaust on a 5.7 Hemi Challenger offers a balanced sound and performance designed to meet emissions and noise regulations. It uses durable materials but tends to prioritize quiet operation over aggressive tone. This makes it a solid choice for daily driving without drawing much attention.

Aftermarket exhausts, on the other hand, focus more on amplifying the engine’s natural rumble. Many options use stainless steel pipes and performance mufflers to reduce weight and improve airflow.

This results in louder, deeper sounds and often a slight boost in horsepower and throttle response.

Keep in mind a few trade-offs:

• Aftermarket systems usually require professional installation to avoid leaks or fitment issues.
• They may increase cabin noise, which can become tiring on long drives.
• Factory exhausts maintain warranty protection whereas changing parts can sometimes affect it.

The choice depends on whether you want a subtle upgrade or a pronounced change in sound and performance.

People Also Asked

How Do I Know If an Exhaust Fits My 5.7 Hemi Challenger?

Check the product specifications to match the exhaust system with your 5.7 Hemi Challenger’s model year and engine type. It’s helpful to look for exhausts labeled explicitly for “5.7 Hemi” or “Challenger” to avoid fitment issues. Some exhausts might need minor adjustments or specific hangers, so keeping tools ready can save time during installation.

Can I Install the Exhaust Myself or Need Professional Help?

You can install the exhaust yourself with basic mechanical skills and the right tools. It helps to have a lift or jack stands to safely raise the car and enough space to work underneath. Some kits include clear instructions, but double-check bolt sizes and have a torque wrench handy to avoid over-tightening.

What Maintenance Is Required to Keep My Exhaust in Good Shape?

Regularly inspecting the exhaust for rust and leaks is key to keeping it in good shape. Cleaning the pipes with a metal polish helps maintain their shine and prevents corrosion. Tightening clamps and checking hangers every few months avoids rattles and sagging. Drying off the exhaust after driving in wet conditions reduces moisture build-up inside.

How Long Does a Typical Exhaust for a 5.7 Hemi Last?

A typical exhaust for a 5.7 Hemi can last between 5 to 7 years. This depends on the material and driving conditions. Stainless steel tends to last longer than aluminized steel. Regular washing, especially after winter when salt is on roads, helps prevent rust. Some people swap out parts like mufflers earlier for sound or performance preferences.

Are There Common Issues with Aftermarket Exhausts on 5.7 Hemi Challengers?

Aftermarket exhausts for 5.7 Hemi Challengers can sometimes cause exhaust leaks or rattling noises if the fit isn’t precise. Checking for good fitment and tight clamps during installation helps avoid these problems. Some users find that choosing a system designed specifically for the 5.7 Hemi makes installation smoother and reduces the chance of leaks.

Conclusion

Choosing the right exhaust for a 5.7 Hemi Challenger mainly comes down to sound preference, build quality, and ease of installation. Pay close attention to how loud you want it and whether the materials are durable enough for long-term use.

Also, consider how much effort you want to put into setting it up or swapping out parts over time.

Make sure the exhaust fits your budget and the space you have available under the car. Use the comparison table and the reviews above to find a balance between performance and cost that works for your specific situation.

Checking those details will help you pick the best fit for your driving style and needs.