Top 12 Best Exhaust for 5.7 Hemi Chrysler 300 Revealed

The frustration of dealing with a cheap exhaust system on a 5.7 Hemi Chrysler 300 is common. Poorly made units often rattle, rust quickly, or create an overly loud drone that gets old fast. The best exhaust for 5.7 hemi chrysler 300 fixes these issues by fitting perfectly and lasting through years of regular drives without needing constant repairs or adjustments.

A good exhaust for this setup uses stainless steel or a similar corrosion-resistant material to handle heat and moisture without degrading. Proper sizing is critical, pipes usually stay between 3 to 3.5 inches in diameter to balance power gains and fuel efficiency.

The design should allow easy removal for cleaning or repairs. A solid fit ensures no leaks and keeps emissions within safe limits, avoiding check engine lights or state inspection problems.

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Image	Product	Price
Our Top Picks 1	SLP LoudMouth Exhaust	Check Price
Our Top Picks 2	Flowmaster Force II Kit	Check Price
Our Top Picks 3	BORLA Chrysler 300 Exhaust	Check Price

Our Selected Top 12 Exhaust for 5.7 Hemi Chrysler 300 Worth Your Money

This list features a range of exhaust systems designed for the 5.7 Hemi Chrysler 300, covering different styles and performance levels. Each review explains how the exhaust sounds, fits, and holds up, along with what type of driver will benefit most from the setup.

1. SLP D31000 LoudMouth Exhaust System for Charger, Magnum, 300C

The SLP D31000 LoudMouth Exhaust System is designed for the 5.7 Hemi Chrysler 300 from 2005 to 2010. It suits drivers who want a louder, more aggressive exhaust note without complicated installation.

Its standout feature is the full stainless steel construction with high-quality polished tips that hold up well over time.

Installing this system involves unbolting your old exhaust and replacing it with the included hardware and instructions, which makes the process fairly straightforward for anyone with basic tools. The 2.5 mandrel-bent tubing ensures smooth airflow, while the Loud Mouth resonators add a distinctive sound. Daily driving feels different, as the louder exhaust note is noticeable but not overly intrusive in traffic or at idle.

Cleaning is easy thanks to the polished stainless steel finish that resists rust and discoloration.

This exhaust delivers a noticeable and enjoyable deep tone that complements the Hemi engine well. It is made from polished T304 stainless steel including 2.5 tubing and 3.5 tips, ensuring durability and style. The PowerFlo-X crossover pipe helps balance the sound between sides.

Some praise the sound quality and build, but others mention the loudness can be a bit much in quiet areas or at low speeds. The hardware fits well, though a careful alignment is necessary during installation to avoid leaks.

The SLP D31000 LoudMouth Exhaust System fits 2005 to 2010 Chargers, Magnums, and 300Cs with the 5.7 Hemi. The polished stainless steel tubing feels solid, and the mandrel bends keep the air flowing smoothly. Install bolts on easily, and all the hardware is included. The biggest draw is the deep, aggressive exhaust note.

Drivers wanting a bolder, throaty exhaust sound for daily driving and weekend cruises will like this setup. It keeps exhaust flow efficient without major modifications. Quiet or subtle exhaust seekers might find it overly loud or growling. Those who want a simple bolt-on with minimal fuss will appreciate how this fits without cutting or fabricating.

Cleaning the polished stainless tips can take a bit of elbow grease but pays off visually. The crossover pipe helps balance the sound. The system also clears the rear nicely without being bulky. It fits under the car without scraping issues even on lower rides. Some may prefer a lighter system, but the weight shows the quality of materials used.

Pros

• Stainless steel resists rust and discoloration
• Includes all hardware and detailed instructions
• Distinctive deep exhaust note improves engine sound
• Mandrel-bent tubing improves exhaust flow

Cons

• Exhaust can be louder than expected at idle
• Installation requires careful alignment to prevent leaks

2. Flowmaster Force II Cat-Back Exhaust Kit 17405

This exhaust kit suits someone with a 5.7 Hemi Chrysler 300 wanting a mild to moderate upgrade in sound and flow. Its strongest feature is the deep but not overpowering exterior exhaust note that balances power with daily driving comfort.

Installation goes smoothly thanks to included hangers and hardware. The system uses factory hanger locations, so it fits without extra modifications.

The tubing is mandrel-bent, which helps maintain flow while reducing restrictions. The resonators keep noise levels reasonable inside the car. Routine drives feel quieter inside than expected, with a pleasing growl heard on acceleration.

The stainless steel tubing is durable and resists corrosion. The specially tuned resonators and Super 40 Series mufflers deliver a smoother sound compared to more aggressive setups.

Complaints mostly mention that the sound might be too mild for those who prefer a louder exhaust. The hangers hold the exhaust firmly, though some note minor rattling if not perfectly aligned.

This Flowmaster Force II Cat-Back Exhaust Kit fits well after the factory catalytic converter and includes everything for installation, like hangers and hardware. Many appreciate the deep, moderate exterior sound it produces. The most common complaint centers on its mild tone, which might feel quieter than expected for some looking for a louder exhaust noise.

This exhaust system suits people who want a noticeable but not overwhelming sound from their 5.7 Hemi Chrysler 300. The moderate sound and minimal interior resonance make it practical for daily drives without extra cabin noise. Drivers wanting a more aggressive exhaust note could consider other options designed for louder performance.

Installation is straightforward using factory hanger locations, making it a good choice for those who prefer a tidy setup. The stainless steel tubing and resonators offer durability and tuned sound quality. It does not produce excessive drone, so it works well for longer trips and daily use where comfort remains a priority.

Pros

• Easy installation with all hangers and hardware included
• Durable 16-gauge stainless steel tubing
• Resonators reduce interior noise effectively
• Balanced exhaust note, not too loud for daily use

Cons

• Sound may be too mild for loud exhaust preferences
• Possible minor rattling if hangers are misaligned

3. BORLA 140723 Cat-Back Exhaust for Chrysler 300/Dodge Charger R/T

This Borla 140723 Cat-Back Exhaust fits Chrysler 300 and Dodge Charger R/T models with the 5.7 Hemi. It suits someone who wants a solid upgrade that sounds noticeably better without complicated installation.

The main strength is its durable T-304 stainless steel construction combined with a confident, clear exhaust tone.

Installing this exhaust is straightforward because it is a bolt-on system with all welded parts, which means no messy cutting or splicing. The fit is tight and precise, making daily driving reliable without rattles. Maintenance is easy since the T-304 stainless steel resists rust and corrosion, so surface cleaning usually keeps it looking good.

Performance wise, this exhaust does well in giving the engine a slightly deeper, more aggressive sound without being overwhelming. The welds and material quality ensure it holds up well over time. The strongest praise is for the classic Borla sound quality, but some note the price may feel high for a cat-back system, and the 30-day warranty period is shorter than expected.

The BORLA 140723 Cat-Back Exhaust for the Chrysler 300 and Dodge Charger R/T delivers a distinct, aggressive sound that suits the 5.7 Hemi engine well. It’s made from T-304 stainless steel, ensuring durability and resistance to rust. Installation is straightforward with a bolt-on design, but some find that the exhaust tone may be too loud for everyday city driving.

Drivers who appreciate a louder, sporty exhaust note and want a product made in the USA will find this exhaust a strong match. It suits those who spend time on open roads or car meets, enjoying the classic BORLA sound. Quiet commuters or people living in noise-sensitive areas may prefer a quieter option.

The welded construction adds strength and reduces the chance of leaks, making the exhaust hold up well under normal road conditions. During use, it tends to fit well without modifications and can be cleaned with mild soap and water. It needs enough space for storage to avoid damaging the pipes, especially in smaller garages.

Pros

• Durable stainless steel resists rust
• Clear, aggressive Borla sound
• Easy bolt-on installation
• Welded construction for strength

Cons

• Only 30-day warranty period
• Price higher compared to similar parts

4. Flowmaster Outlaw Muffler 817633

This Flowmaster Outlaw Muffler 817633 suits Chrysler 300 drivers with a 5.7 Hemi looking for a deeper, aggressive exhaust tone. It’s great for someone wanting a straightforward upgrade that fits their car without extra modding and delivers a solid sound boost.

Installing the muffler is straightforward thanks to its direct bolt-on design using factory hanger locations. You don’t need special tools or cutting, so setup is quick.

Once installed, the stainless steel construction means it can handle daily road trips, rain, and occasional rough conditions without rusting quickly.

The muffler offers a powerful and aggressive sound that’s loud but not overwhelming. It holds up well over time, keeping its tone consistent. Many praise the build quality and note the easy install.

Some mention the sound might be a bit too loud for quiet neighborhoods.

The Flowmaster Outlaw Muffler 817633 gets high marks for its deep and aggressive sound, which appeals to fans of a bold exhaust note. It installs directly onto factory hanger locations, making the process straightforward for those with basic tools. Some find the loudness a little much for daily commuting, so it’s not exactly subtle on quiet streets.

This muffler fits well on a 5.7 Hemi Chrysler 300, producing a powerful tone that suits trucks and muscle cars where sound is part of the appeal. It’s a solid choice for anyone wanting an immediate upgrade with proven performance, especially for those who prioritize sound over having a quieter ride.

People preferring less noise or a quieter cruising experience will want to consider other mufflers designed for stealthier operation. Those focused solely on fuel economy or a mild sound profile should look elsewhere, as this model emphasizes power and volume over subtlety or smoothness.

Pros

• Direct bolt-on installation with factory hangers
• Durable stainless steel construction
• Deep, performance-oriented sound
• Lifetime limited warranty included

Cons

• Sound level can be too loud in some areas
• Not designed for noise-sensitive environments

5. MBRP Catback Exhaust AL

This is a cat-back exhaust system designed specifically for a 5.7 Hemi engine in a Chrysler 300. It fits drivers who want a bit more power and a deeper sound while keeping installation straightforward.

Its strongest point is the material that helps reduce exhaust gas temperatures for better engine response.

Setting it up involves replacing the factory pipes from the catalytic converter back, which suits people comfortable with basic exhaust work. The aluminum finish handles road moisture well, so rust is less of a worry around here. Day to day, it offers a noticeable throttle response and a deeper exhaust note while maintaining a manageable noise level, making daily drives more engaging without becoming annoying.

The pipe diameter is a solid 3 inches, which balances flow and sound without needing extra mods. The system noticeably improves torque and horsepower according to those who installed it.

It uses aluminized steel, so it resists corrosion better than plain steel, though it’s not stainless steel, so expect some wear over years in harsh climates. The most common praise focuses on improved power and sound, while the one complaint is that the system comes without an extended warranty beyond 30 days.

This MBRP Catback Exhaust AL is made from aluminized material and features a 3-inch tubing diameter with a dual rear exit. Its build quality stands out with a sturdy feel, weighing 67 pounds. One common point mentioned in reviews is how it noticeably improves torque and throttle response, alongside lowering exhaust gas temperatures during drives.

Drivers with a 5.7 Hemi Chrysler 300 looking for a simple upgrade will appreciate this exhaust system’s solid performance boost and strong construction. The 30-day warranty offers some reassurance on durability and fitment. However, people wanting a quieter ride or a more customized sound may want to explore other options.

Installation might require some basic mechanical skills or professional help, as the system is a full cat-back setup. It fits well under the vehicle without major modifications. Routine maintenance mainly involves checking for corrosion and keeping connections tight to avoid leaks. The exhaust is not overly loud but gives a firm, responsive sound.

Pros

• Designed specifically for 5.7 Hemi Chrysler 300
• Aluminized steel resists rust better than plain steel
• Improves torque and horsepower noticeably
• 3-inch tubing balances flow and sound well

Cons

• Only a 30-day warranty provided
• Material isn’t stainless steel, may wear over time

6. Borla 140085 Cat-Back Exhaust System

The Borla 140085 Cat-Back Exhaust System is designed for drivers with a 5.7 Hemi Chrysler 300 who want improved horsepower and fuel economy. It suits those focused on straightforward upgrades that boost engine performance without complicated modifications.

Its main appeal lies in balancing power gains with efficient fuel use.

Installing the system is straightforward, making it accessible for people comfortable with basic car maintenance. The package includes the muffler and all components needed for fitment, so no extra parts are necessary.

Daily driving with this exhaust feels smoother, and the engine sound is more aggressive without being overly loud or drone-heavy during highway cruising.

The exhaust delivers its promised power increase and manages emissions well, contributing to better internal engine performance. Built by Borla, it holds up against corrosion and heat stresses, reflecting solid manufacturing quality. Many praise the clear horsepower boost and noticeable fuel savings, but a few note that tightening the clamps can feel a bit tricky during installation.

The Borla 140085 Cat-Back Exhaust System is praised for its straightforward installation and noticeable increase in horsepower. Many appreciate the improved fuel economy after switching to this system. A common complaint revolves around the loudness; the sound can be louder than expected, which might not suit all drivers, especially in quieter neighborhoods.

Drivers looking for a solid upgrade to their 5.7 Hemi Chrysler 300 will benefit from this exhaust system’s balance of power and efficiency. It works well for those who want a sportier sound and better performance without complicated fitting. Those seeking a quieter or more subtle exhaust tone should consider alternatives designed for reduced noise levels.

Installation needs some basic tools but generally doesn’t require professional help, making it accessible to most with mechanical skills. Daily driving becomes more engaging with the deeper exhaust note, but on long trips, the noise level might become tiring for some. Routine cleaning involves wiping down the muffler and checking connections to keep performance steady.

Pros

• Easy installation with included components
• Improves horsepower noticeably
• Helps increase fuel efficiency
• Durable build resistant to heat and corrosion

Cons

• Clamps can be difficult to tighten properly
• Sound might be too loud for some drivers

7. MBRP Catback Exhaust AL

This is a cat-back exhaust system made from aluminized steel, designed for the 5.7 Hemi Chrysler 300. It suits drivers aiming to gain extra horsepower and torque without complex installation. Its biggest strength lies in offering noticeable performance improvements while keeping heat levels lower.

The setup requires basic tools and can be handled at home since the parts fit the Chrysler 300 directly without modifications. The 3-inch tubing and dual 3-inch tailpipes balance airflow well and make daily driving smooth. Cleaning the aluminized surface is simple, though the pipes can discolor over time from heat.

The exhaust produces a deeper sound without being too loud for regular streets.

The system improves throttle response and power as promised. The build feels solid with durable aluminized steel resisting rust.

Most praise the added torque the exhaust provides, but some mention occasional rattling sounds that can appear if clamps loosen. The dual exit provides a balanced look at the back that fits the car’s style.

The MBRP Catback Exhaust AL improves torque and horsepower noticeably, giving a deeper, more aggressive sound. Its aluminized steel holds up well against rust over time. The biggest complaint relates to installation; some people find fitting the dual 3-inch pipes tricky without additional tools or cutting. The exhaust reduces gas temperatures and boosts throttle response as advertised.

This exhaust suits anyone with a 5.7 Hemi Chrysler 300 wanting a solid performance upgrade and a richer exhaust note. Drivers looking to boost engine power moderately and enjoy improved sound volume will appreciate the design. However, those new to exhaust work might prefer a system with simpler install instructions or a professional shop help.

The setup requires some mechanical skill and patience to align everything properly under the vehicle. Routine cleaning only involves wiping down the pipes and occasional careful inspection for surface rust. The heavier 69-pound assembly feels durable but demands good support during fitting, so it’s less ideal for quick DIY swaps.

Pros

• Improves torque and horsepower noticeably
• Durable aluminized steel resists rust
• Direct fit for Chrysler 300 5.7 Hemi
• Dual tailpipes give balanced rear appearance

Cons

• Rattling noise may occur if clamps loosen
• Aluminized surface discolors with heat over time

8. MBRP Catback Exhaust AL

This exhaust system suits someone with a 5.7 Hemi Chrysler 300 who wants a noticeable boost in power without a complicated setup. Its biggest strength is the combination of improved torque and horsepower with a build designed for easy installation.

Installation is straightforward because it uses factory bezels and fits directly onto the car’s existing mounts. The dual 2.5-inch tubing matches the stock dimensions, so it doesn’t require modifications or extra adapters.

Daily driving feels sharper with better throttle response, while the aluminized steel holds up well against rust. Cleaning is simple as the material resists dirt buildup, and the dual tip exit directs sound clearly without rattling.

The exhaust performs well in boosting engine output and adds a deeper sound that stays balanced on varied RPM ranges. The aluminized steel build offers durability against weather but may not look as polished as stainless steel over time. Most praise focuses on the better horsepower feel and easy fit.

Some mention the sound is not very loud, which suits those avoiding excessive noise.

This MBRP Catback Exhaust AL is made from aluminized steel with a consistent 2.5-inch tubing and tip diameter, designed for dual exhaust exit. It raised torque and horsepower while fitting with factory bezels. Many people find the installation straightforward with no need for custom adjustments. Some mention a louder sound level than expected, which could be a downside for quiet.

This exhaust suits those who want a clear performance upgrade and a more aggressive sound for their 5.7 Hemi Chrysler 300. The solid steel construction provides durability without extra effort to maintain. People looking for something very quiet or without any increase in noise should consider a different option with a focus on sound reduction.

Daily driving with this MBRP exhaust shows solid durability and no corrosion issues after some months on the road. The dual tips offer a balanced look at the back of the car. Cleaning is simple since aluminized steel resists rust, but the louder exhaust note may make some short trips through quiet neighborhoods less comfortable.

Pros

• Improves torque and horsepower noticeably
• Fits directly with factory bezels
• Durable aluminized steel resists rust
• Dual 2.5-inch tips give balanced exhaust flow

Cons

• Sound level is moderate, not very aggressive
• Aluminized steel lacks polished finish appeal

9. Flowmaster 817718 Exhaust System Kit

This Flowmaster 817718 Exhaust System Kit fits well for anyone looking to improve their 5.7 Hemi Chrysler 300’s sound and performance drastically. Its strongest point is the Outlaw Race Muffler technology designed to boost power without compromising durability.

Setting up this exhaust involves dealing with a fairly straightforward kit, thanks to the painted stainless steel parts that resist rust. The kit’s weight at 16.3 pounds makes handling manageable during installation. On a daily drive, it delivers a noticeable roar that isn’t overly loud but stands out compared to stock exhaust systems.

It holds up well against corrosion, reducing the need for frequent replacements or touch-ups.

The exhaust’s dyno-tuned design helps extract more power from the engine while maintaining a solid build quality. Stainless steel construction means it should last through many seasons without rust eating away at it. A clear benefit users mention is the deep, aggressive sound that fits the muscle car vibe perfectly.

The most frequent downside noted is the system’s weight, which is on the heavier side and might challenge those doing the install alone.

The Flowmaster 817718 Exhaust System Kit is built with stainless steel, which holds up well against rust and lasts through rough weather. It comes with the Outlaw Race muffler tech, so it gives the Chrysler 300 a strong, aggressive sound and improved airflow. Some find the noise louder than expected, especially in stop-and-go traffic.

This exhaust fits those who want a bold sound and better engine breathing for their 5.7 Hemi Chrysler 300. It’s suited for drivers who prefer a racing-inspired tone and don’t mind a louder ride. A quieter or more subtle exhaust would be better for daily drivers who want less cabin noise or more sound control.

Installing it requires some mechanical know-how or a professional, as custom setups may vary. The system holds its shape well and cleaning is straightforward with mild cleaners. Being a heavier setup at over 16 pounds, storage or removal takes a bit of effort compared to lighter models.

Pros

• Durable stainless steel resists corrosion well
• Dyno-tuned for noticeable power improvement
• Outlaw Race Muffler delivers deep, aggressive sound
• Painted finish adds extra protection and style

Cons

• Heavier weight can make installation tricky alone
• Sound may be too loud for some everyday driving

10. MBRP S5534AL 2.5 Single Cat Back Exhaust System

This is a single cat-back exhaust system made from aluminized steel. It fits the 5.7 Hemi in a Chrysler 300 and suits someone who wants a balance of improved power and reliable build. Its biggest strength is delivering noticeable throttle response gains without being overly loud.

Installing the exhaust feels straightforward with the 2.5-inch tubing size matching factory mounts well. The single straight-through muffler keeps exhaust flow smooth while staying manageable inside the chassis. Daily driving shows lower exhaust gas temperatures, which helps in warm weather or longer trips.

The 3.75-inch tip fits standard rear exits, making it simple to replace or upgrade later.

The system improves torque and horsepower while holding up well to rust thanks to aluminized steel. The muffler design avoids drone at cruising speeds. Most praise centers on its durable tubing and enhanced sound.

The common complaint involves the exit being single rather than dual, limiting sound depth for some.

The MBRP S5534AL exhaust system offers clear gains in torque and horsepower for vehicles with a 5.7 Hemi engine, paired with a noticeable improvement in throttle response. It has a solid build from aluminized steel and a 2.5-inch tubing diameter. Some noise levels stand out as louder than expected during acceleration, especially for those used to factory exhausts.

This system works well for drivers seeking better performance and a more aggressive sound from their Chrysler 300, especially if they spend time on highway or spirited driving. For daily commuters looking to keep the cabin quiet or those wanting a more mellow exhaust tone, quieter, less aggressive options might be a better fit.

Installation requires some mechanical skill but fits well under the vehicle with basic tools. Cleaning is simple since aluminized steel resists rust better than regular steel but is not as durable as stainless steel. The exhaust tip’s size and finish hold up well without much discoloration after hundreds of miles.

Pros

• Good power and torque improvement
• Durable aluminized steel construction
• Lower exhaust gas temperatures
• Simple fit for Chrysler 300 5.7 Hemi

Cons

• Single exit limits exhaust tone variety
• Some find sound not aggressive enough

11. Flowmaster Outlaw Cat-Back Exhaust System

This is a cat-back exhaust system designed for the 5.7 Hemi in a Chrysler 300. It suits someone who wants a loud, aggressive sound and durable build in one package. Its biggest strength is the super aggressive sound it delivers without complex installation hassle.

Setting it up involves replacing the old exhaust from the cat-back section, which fits the Chrysler 300 with minor adjustments. The system includes black and ceramic tips that resist discoloration from heat, which keeps the look clean over time.

Daily driving with this exhaust means you get a deep and powerful rumble that is noticeable but not overwhelming inside the cabin.

The stainless steel construction holds up well to road conditions and heat. The sound level clearly defines the Outlaw as aggressive but not annoyingly loud constantly.

Reviewers praise how well the system fits the car, though a few note that some slight modifications may be needed depending on specific vehicle setups. The biggest complaint is from those expecting it to be very quiet; it is loud by design.

The Flowmaster Outlaw Cat-back Exhaust System gets praise for its aggressive, deep sound that stands out without being overwhelming. Its stainless steel construction holds up well over time, resisting rust and wear. On the downside, some find the installation a bit tricky and the sound louder than expected at idle or low RPMs, which can be annoying in daily driving.

This exhaust system suits anyone wanting a loud, sporty sound on a 5.7 Hemi Chrysler 300 and who doesn’t mind extra noise when stopped or cruising. It’s a good fit for weekend drivers or those who want a noticeable upgrade in exhaust tone. It’s less suitable for driving in quiet neighborhoods or for people who prefer a subtle, mild exhaust.

Regular drivers who spend a lot of time in traffic or close to other cars might want to consider a less aggressive system. Those who prioritize ease of installation may also want a different option. But for the sound quality and durable build, this system delivers well for enthusiasts ready to embrace a strong presence on the road.

Pros

• Loud, aggressive exhaust tone
• Durable stainless steel build
• Black and ceramic tips resist heat fading
• Lifetime limited warranty included

Cons

• May require slight modifications for some setups
• Not suitable if quiet exhaust is desired

12. Flowmaster FlowFX Cat-Back Exhaust Kit for Ram 1500

This Flowmaster FlowFX Cat-Back Exhaust Kit fits Ram 1500 trucks but works well on a 5.7 Hemi Chrysler 300 for someone wanting a deeper, louder exhaust tone. Its biggest strength is the clear, powerful sound both inside and outside the vehicle without being too harsh.

Installation goes smoothly since it uses factory hanger locations and includes all necessary hardware. The 16-gauge mandrel-bent stainless steel tubing means it is sturdy but still manageable in weight at just over 50 pounds.

Cleaning is easier with the black ceramic coated tips resisting dirt buildup. The setup does not require modification, making it practical for everyday driving and maintenance.

This exhaust delivers a deep tone that stands out without rattling or drone. Its stainless steel construction with a Flow FX straight-through muffler keeps the performance strong and reliable over time. Some users mentioned the tone might be louder than expected at idle, which could be a downside for noise-sensitive drivers.

The ceramically coated tips hold their finish well despite exposure and heat.

The Flowmaster FlowFX Cat-Back Exhaust Kit for the Ram 1500 delivers a deep and powerful tone that makes a noticeable difference inside and outside the vehicle. The black ceramic coated stainless steel tips hold up well against road wear. Some find the exhaust a bit louder than expected, especially at idle, which might not suit quieter neighborhoods.

This exhaust fits well with 5.7 HEMI Chrysler 300 setups, offering good sound and durable materials like 16-gauge stainless steel tubing. Those wanting a more aggressive sound and straightforward installation will appreciate this kit. People looking for a quieter or more refined exhaust tone might want to consider other options.

The kit uses factory hanger locations and includes all the necessary hardware, making installation manageable for a weekend project. Its mandrel-bent tubing and Flow FX muffler balance performance with durability. It clears the factory spare tire, so no modifications there. Cleaning is easy thanks to the ceramic coating, which also helps resist rust and discoloration.

Pros

• Deep, powerful exhaust tone
• Easy install with factory hangers
• Durable ceramically coated tips
• Includes all necessary hardware

Cons

• May be loud at idle for some drivers
• Not specifically designed for Chrysler 300

Comparison Table of Best Exhausts for 5.7 Hemi Chrysler 300

How to Choose the Right Exhaust System

Look for an exhaust that fits the 5.7 Hemi Chrysler 300 specifically, focusing on material quality and sound level to avoid frequent replacements or noise issues. Proper fit and durability help prevent leaks and extra expenses during installation or maintenance.

Fit and Compatibility

Trying to install an exhaust system without checking the engine specifications first can lead to major headaches. The exact 5.7-liter V8 in the Chrysler 300 has unique dimensions and flow requirements. Mismatched parts might cause poor fit, rattling, or reduced performance.

A system designed specifically for this engine should line up with the stock manifolds and avoid any interference with undercar components. Look for pipe diameters between 2.5 and 3 inches, typically 304 stainless steel for durability and corrosion resistance.

This size range balances sound and flow without losing torque.

Different model years and trims sometimes have subtle changes in exhaust hangers, catalytic converters, or sensors. Confirming compatibility within the production run, especially between early and later models, avoids the need for expensive aftermarket adapters or cutting pipes.

The installation experience improves greatly with systems that match original mounting points and include all necessary hardware like gaskets or clamps. Double-check whether modifications such as retuning the engine control module or adding a resonator are required, since these affect both sound and drivability.

Material Quality and Durability

Exhaust systems made from low-quality metal often start to rust or corrode within a couple of years, especially when exposed to road salt and moisture. Stainless steel versions stand up much better to these conditions.

A thickness around 16 to 18 gauge strikes a good balance between durability and weight. Thinner metal tends to dent or crack, which can lead to leaks and louder noise levels that annoy neighbors and may fail inspections. Strong, clean welds also make a big difference.

Poor welding can cause joints to separate under heat cycling, resulting in costly repairs.

The heat generated by the engine and exposed areas makes material choice critical for long-term use. 304 stainless steel holds up well against both rust and heat compared to milder alloys.

Some exhausts include ceramic coatings or heat shields that help the metal stay cooler and extend lifespan. Regular inspections help catch developing rust spots or cracks, but starting with solid construction avoids headaches. Durable material means less frequent replacements and a quieter, more reliable drive through all seasons.

Sound and Noise Level

Driving with a loud exhaust can quickly become tiresome, especially in residential areas or during overnight hours. Many setups produce a deep rumble that feels thrilling on open highways but turns into an annoyance during city commutes.

Keeping noise levels within local laws often means aiming for a decibel rating under 90 dB at a certain distance, which some systems specify clearly. Without this, you risk fines or needing to swap parts out after purchase, which wastes time and money.

Finding models with adjustable mufflers or removable resonators brings flexibility. These components help dial down the noise without killing the exhaust note completely.

Daily use becomes more comfortable, and you can enjoy a louder, sportier sound on highways or open roads. Paying attention to material quality, such as stainless steel tubing and high-grade packing in mufflers, also affects how harsh or refined the sound feels. Expect simple switching or sliding mechanisms that let you change sound on the fly within minutes.

Performance Impact

Swapping out the original exhaust often leads to noticeable gains in horsepower and torque. A well-chosen system can add around 10 to 20 horsepower, depending on pipe diameter and design, which changes how the car feels when accelerating or overtaking.

Smaller pipes can choke the engine, reducing power, while pipes that are too large might lose low-end torque. Materials like stainless steel resist corrosion and maintain performance over time, so expect to see pipe diameters around 2.5 to 3 inches for a good balance.

The impact on fuel efficiency is subtle but real. A freer-flowing exhaust reduces backpressure, allowing the engine to breathe better and sometimes improve miles per gallon.

Excess backpressure can cause the throttle to feel sluggish and throttle response to lag, making daily driving less responsive. A system that balances sound and flow without introducing too much noise keeps the ride reasonable and controls emissions better, which matters if you want to avoid complications during inspections.

Installation and Maintenance

Many exhaust systems fit directly onto the factory hangers and use standard 2.5 or 3-inch piping, which usually makes installation straightforward for someone comfortable with basic tools. Complex kits might require swapping out parts of the original system or welding, adding hours to the process and the need for special equipment.

Having a torque wrench and a set of deep sockets can make the job smoother. Kits that come with detailed instructions and all necessary hardware save a lot of hassle during assembly.

Maintenance becomes easier if the system has accessible clamps and flanges rather than welded joints. Rust-resistant materials, like stainless steel, reduce cleaning frequency and prevent damage after exposure to road salt or mud. Regularly checking and cleaning around the muffler and resonator helps avoid buildup that reduces performance.

A solid installation limits rattling noises and keeps the system aligned, which otherwise can cause leaks and premature wear.

How to Install an Aftermarket Exhaust on a 5.7 Hemi Chrysler 300

Installing an aftermarket exhaust on a 5.7 Hemi Chrysler 300 usually takes a few hours and requires basic hand tools and a vehicle lift or jack stands for easy access underneath. Begin by letting the car cool completely to avoid burns since exhaust components get very hot.

Start the installation by removing the factory exhaust system:

• Loosen and remove the clamps or bolts connecting the exhaust pipes, typically found near the catalytic converter and muffler.
• Carefully take out the old hangers securing the pipes to the rubber mounts; a pry bar can help.
• Keep the hardware handy in case some bolts need reusing.

Next, slide the new exhaust pieces in place, making sure the fit lines up with the hangers and connection points. Tighten clamps and bolts snugly but avoid overtightening, which can damage the pipes.

Before finishing, check for exhaust leaks by running the engine briefly and listening for unusual sounds. Adjustments may be needed for a perfect fit.

Maintenance Tips to Keep Your Exhaust System Performing Well

Regular inspection is key to catch rust or damage early. The exhaust system sits close to the road, so salt, water, and debris can wear down metal faster.

Checking the pipes, muffler, and hangers every few months helps you spot holes or loose parts before they cause noise or emissions issues.

Cleaning the exhaust tip after a few hundred miles keeps buildup minimal. Use a metal polish and a soft cloth to remove soot and prevent corrosion. Avoid abrasive materials that can scratch the finish.

Ensure proper installation tension on clamps and bolts. Vibration from driving can loosen these over time. Tightening them with a torque wrench maintains a solid seal and stops rattling noises.

Address unusual sounds or smells immediately. A ticking sound or exhaust fumes inside the cabin often indicate a leak that affects performance and safety. Getting it checked avoids bigger repairs.

• Check for rust quarterly, especially in winter.
• Clean exhaust tips monthly to retain appearance.
• Tighten clamps at regular oil changes.
• Replace damaged hangers to prevent sagging.

Comparison of Straight Pipe vs. Cat-Back Exhaust Options for Hemi Engines

Swapping out the stock exhaust on a 5.7 Hemi Chrysler 300 can affect sound, performance, and emissions compliance. Straight pipe setups remove the catalytic converter and mufflers entirely, which typically means louder exhaust noise and a slight increase in power due to less backpressure. However, this option often triggers check engine lights and may not be legal in many areas because it eliminates emissions controls.

Cat-back exhaust systems keep the factory catalytic converter but replace the piping and mufflers from the cat-back. This retains emissions compliance and usually improves exhaust flow enough to offer a modest boost in horsepower and torque. Cat-back setups tend to tone down drone and provide a deeper, more refined sound compared to straight pipes.

Key differences include:

• Straight pipe: louder, more aggressive sound; potential legal issues and sensor malfunctions.
• Cat-back: quieter and street-friendly; easier to install and generally legal in most regions.

People Also Asked

How Do I Know If the Exhaust Fits a 5.7 Hemi?

Check the product description for compatibility with 5.7 Hemi Chrysler 300 models, including the specific year range. Double-check the exhaust’s pipe diameter and connection type to match your car’s setup. It helps to compare photos of your car’s current exhaust and mounting points with those in the product listing to spot any differences.

Can I Install This Exhaust System Without Professional Help?

This exhaust system can be installed without professional help for those with some mechanical experience. It requires basic hand tools and a jack to lift the car safely. Plan for about two to three hours to complete the swap. Taking your time to properly align the pipes will help avoid leaks and rattling noises later on.

What Maintenance Is Needed to Keep the Exhaust in Good Shape?

Regularly checking for rust and leaks keeps the exhaust in good shape. Clean the exhaust tips with metal polish to avoid buildup, which dulls appearance. Tighten clamps and mounts occasionally since vibrations can loosen them over time. Inspecting after winter or rainy seasons helps catch corrosion early, especially in salty areas.

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

Common issues with aftermarket exhausts on a 5.7 Hemi include fitment problems and increased drone at certain RPMs. Many come with universal tips that need extra adjustments to fit properly. Expect to spend some time fine-tuning hangers and clamps during installation to avoid rattling. Some users suggest investing in mid-pipes designed specifically for the 300 model for better alignment and sound quality.

How Long Does a Typical Exhaust Last on This Engine?

A typical exhaust on a 5.7 Hemi Chrysler 300 lasts around 5 to 7 years. Rust and corrosion are the main issues that shorten its lifespan, especially in areas with harsh winters or salty roads. Regularly checking for leaks and keeping the underside clean can help extend how long it lasts.

Conclusion

Choosing the right exhaust for a 5.7 Hemi Chrysler 300 mainly comes down to sound preference, material quality, and ease of installation. How loud or quiet you want the exhaust to be affects your daily driving experience. Stainless steel options last longer and resist rust, which is a big plus.

Also, some systems are easier to install without custom modifications, saving time and extra costs.

Think about where you’ll be installing the exhaust and how often you plan to drive the car. Some setups require more space or tools, which might not fit every garage or budget. Check back to the comparison table and the detailed reviews above to find the best match for your needs and wallet.

Garrett Winslow

Hi, I’m Garrett Winslow, a bike enthusiast who enjoys exploring different types of bicycles, from everyday commuter bikes to mountain bikes and road bikes. I love learning about bicycle components, riding accessories, maintenance techniques, and gear that makes cycling more comfortable and enjoyable. Through my writing, I aim to share practical tips and useful insights to help fellow cycling enthusiasts choose the right bikes, maintain their bicycles, and get the most out of every ride.