Top 12 Best Exhaust for Mitsubishi Eclipse You’ll Want

Many Mitsubishi Eclipse drivers have struggled with installing the best exhaust for Mitsubishi Eclipse only to find it rattling, rusting, or failing to clear emissions standards quickly. Cheaper or ill-fitting exhausts often cause a constant drone inside the cabin or reduce engine efficiency instead of improving it.

Longevity becomes an issue as thin metals corrode within a few seasons, forcing premature replacements.

The difference between a solid exhaust and a poor one lies mainly in the materials and the fit. Stainless steel of at least 409 grade is preferred for rust resistance and durability.

The pipe diameter matters too; typically, a 2.25 to 2.5-inch diameter balances power gains with fuel economy on these engines. Precise fitment designed for the Eclipse’s curvy underbody ensures no vibrations or leaks develop over time, while simpler designs are easier to clean and maintain.

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Image	Product	Price
Our Top Picks 1	DNA Motoring ME06L4 Cat Back	Check Price
Our Top Picks 2	Northeastern Eclipse Resonator Muffler	Check Price
Our Top Picks 3	DNA Motoring ME00V6 Cat Back	Check Price

Our Selected Top 12 Exhaust for Mitsubishi Eclipse Picks for Every Need

This list includes a variety of exhaust systems designed for different driving styles and performance needs. Each review explains how the exhaust performs, highlights its best features, and points out any drawbacks to help match the right option with specific preferences.

1. DNA Motoring CBE-ME06L4-NRT Stainless Steel Cat Back Exhaust System

This exhaust system is designed for 2006-2009 Mitsubishi Eclipse 2.4L inline-4 engines. It suits drivers who want a clear boost in power and a deeper exhaust tone without major modifications.

Its biggest strength lies in the noticeable gain in horsepower and smoother airflow through the pipes.

Installing the system requires attention to fit, but the precision mandrel bends make alignment easier. The stainless steel material resists corrosion over time.

Daily use benefits from the lower exhaust back pressure and the tuned resonators that help reduce drone. Cleaning is straightforward since the polished surface wipes down easily and doesn’t trap dirt.

The exhaust adds 15 to 25 horsepower, improving torque notably at low RPMs. It feels solid thanks to TIG welding and CNC-machined flanges that hold up well under heat and pressure.

Complaints usually mention occasional fitment issues during installation. The muffler design cuts down back pressure efficiently but may sound louder than stock, which some might find too aggressive.

This exhaust system fits the 2006-2009 Mitsubishi Eclipse 2.4L well and offers a noticeable increase in horsepower. Many appreciate its deep and smooth tone combined with a durable stainless steel build. Some report that installation can be tricky due to fitment precision, and occasional rattling noises appear without tight mounting.

Drivers looking for a performance upgrade with more power and a better exhaust sound will benefit from this cat-back system. It suits daily driving and spirited weekend runs well. Those wanting an easier installation or a quieter setup might want to explore other options or professional help for fitting.

The use of T-304 stainless steel and CNC machine flanges promises long-lasting resistance to corrosion and damage. Maintenance mostly involves checking for loose bolts and occasional cleaning of the pipes. Dirt or road debris doesn’t cause issues quickly, making it a solid choice for both city and highway driving conditions.

Pros

• Strong boost in low-end power and torque
• Durable T-304 stainless steel construction
• Deep and smooth exhaust tone
• Resists corrosion well over time

Cons

• Fitment can be tricky during installation
• Exhaust noise louder than stock for some drivers

2. Northeastern Exhaust Stainless Steel Resonator and Muffler for Mitsubishi Eclipse 2006-2009

This exhaust system suits a Mitsubishi Eclipse owner who wants a durable, corrosion-resistant upgrade that fits the 2006-2009 models. Its biggest strength lies in its straightforward installation without welding, making it practical for anyone getting a professional to upgrade the exhaust.

Setting this up requires a mechanic, yet the included clamps and gaskets simplify the process by removing extra fabrication steps. Daily use shows it holds up well in different weather conditions thanks to stainless steel 409 grade. Paying attention to proper tailpipe placement during installation is essential to prevent exhaust gas issues inside the car.

Cleaning mainly involves checking for leaks and rust since it resists corrosion.

The exhaust improves flow which could benefit horsepower and torque slightly, while the stainless steel build promises longevity. The clamp and gasket setup stays secure on rough roads but requires careful tightening to avoid potential slips. A noted complaint concerns occasional part substitutions, which some find inconvenient if expecting the exact model number shipped.

This stainless steel 409 grade resonator and muffler for the Mitsubishi Eclipse from 2006 to 2009 holds up well under normal driving conditions. The corrosion resistance is solid, which is useful in humid or salty environments. The installation package comes with all necessary clamps and gaskets, making the setup straightforward for a professional.

This exhaust system suits drivers looking to replace a worn-out muffler on an Eclipse without modifying the car. The improved exhaust flow can help with a modest power boost on stock engines. People seeking direct bolt-on parts that don’t require fabrication will find this a good choice. Extensive tuning or performance upgrades might require a different setup for best results.

The construction quality and included hardware make this a practical replacement for road use. Warranty support and the option for equivalent parts help cover any potential issues that come with stock replacements. Those wanting a wholesale change to sound or style might prefer aftermarket brands designed for aggressive tone or custom looks.

Pros

• Durable stainless steel resists corrosion
• No welding needed, easier professional install
• Includes necessary clamps and gaskets
• Improves exhaust flow moderately

Cons

• Possible shipping of equivalent rather than exact part
• Clamp can slip if not tightened properly

3. DNA MOTORING CBE-ME00V6 Stainless Steel Cat Back Exhaust System

This exhaust is made for someone with a 2000 to 2005 Mitsubishi Eclipse V6 who wants a solid boost in power and a deeper sound. Its biggest strength is the noticeable gain in horsepower paired with a strong, durable stainless steel build that stands up well to daily driving conditions.

Setting this system up requires basic tools and a bit of time, but it fits well on the specified Eclipse models without major adjustments. The dual 4-inch muffler tips add a distinctive look and the 2.5-inch inlet piping matches factory connections.

The stainless steel keeps corrosion in check, which helps with long-term use. The sound is aggressive but not overly loud for daily drives.

The system increases power noticeably and flows exhaust gases efficiently, which helps overall engine performance. It uses mandrel bends and TIG-welded CNC flanges for strength and resistance to pressure.

Many appreciate the stronger, deeper tone it provides. Some mention that installation can be a bit tight or require some patience, but once on, it holds up well without rattles or leaks.

This stainless steel cat-back exhaust system fits 2000-2005 Mitsubishi Eclipse V6 models and is praised for its solid T-304 stainless steel build and precise bends that hold up well over time. It produces a deep, aggressive sound without being overly loud. Some mention the installation can be tricky due to the system’s size and weight, requiring patience and proper tools.

This exhaust system works well for those who want a noticeable boost in horsepower and torque alongside a strong exhaust note. It suits drivers who enjoy modifying their Eclipse and can handle a more hands-on installation process. It might not be the best choice for someone looking for a simple or quiet daily driver upgrade.

The 2.5-inch inlet and dual 4-inch muffler tips help reduce back pressure and improve performance noticeably. The TIG welded flange adds durability, but the extra size means fitting in tight engine bays can be difficult. Cleaning is straightforward with stainless steel resisting rust; still, regular checks around welds help keep it in good shape.

Pros

• Durable T-304 stainless steel construction
• Instant 15-25 horsepower boost
• Dual 4-inch slant muffler tips for sound and style
• TIG welded flanges resist corrosion well

Cons

• Installation can be tight and tricky
• Some drivers find the sound too deep for quiet streets

4. DNA MOTORING CBE-ME95NT Muffler CatBack Exhaust System

This catback exhaust system fits 1995-1999 Mitsubishi Eclipse models that are not turbocharged. It suits someone looking to add horsepower and a deeper exhaust note without complex modifications.

Its main strength lies in a solid jump in engine output thanks to efficient pipe and muffler design.

Installation requires basic hand tools and fits the factory mounting points, which makes it straightforward for anyone familiar with car maintenance. The pipes are mandrel-bent to maintain smooth airflow, and the system’s diameter matches OEM specs for easy integration.

Daily driving brings a noticeable change in sound but stays manageable for regular roads. Cleaning involves wiping the stainless steel finish to prevent discoloration.

The exhaust delivers a 15 to 25 horsepower gain on the low end, supporting better torque. It uses high-quality T-304 stainless steel that resists rust and damage from heat. The muffler brings a deep, aggressive tone without harshness.

Some have pointed out minor fitment adjustments may be needed for a perfect seal. Others mention the tone is louder than stock but still usable for daily driving.

This exhaust system fits 95-99 Mitsubishi Eclipse and 95-98 Eagle Talon models without turbos. Its construction uses high-quality T-304 stainless steel, which is strong and resists corrosion. Many find the sound is deeper and smoother than stock, and the system is said to increase horsepower by 15 to 25. Some mention the installation can be tricky and that the fit.

Drivers seeking a noticeable power boost and a louder exhaust tone will find this system satisfying. It suits those who want a more aggressive sound and improved engine output. However, those wanting a perfect fit or a system designed for turbo models might want to consider different options or professional installation for best results.

Daily use shows the exhaust delivers a stronger sound without being overly loud or droning. The stainless steel holds up well to weather, keeping the system looking good. Cleaning requires only regular washing to prevent grime buildup. It adds some weight but not enough to affect driving noticeably.

Pros

• Increases low-end horsepower and torque noticeably
• Constructed from durable T-304 stainless steel
• 3.0-inch tubing supports smooth gas flow
• Deep, aggressive yet manageable exhaust tone

Cons

• May require minor tweaks for perfect fitment
• Louder than stock, may not suit every driver

5. Northeastern Exhaust Stainless Steel Muffler for Mitsubishi Eclipse

The Northeastern Exhaust Stainless Steel Muffler fits well for Mitsubishi Eclipse drivers wanting a durable upgrade that holds up in normal and tough conditions. Its standout feature is the 409 grade stainless steel construction, which resists rust and damage better than regular steel mufflers.

This makes it a solid choice for people who want longer-lasting parts without constant replacements.

Installation usually involves a professional since this muffler comes with all the necessary gaskets and clamps to avoid welding. This saves time and avoids complicated fabrication.

The muffler fits right in place with no extra hassle. Daily driving benefits from smoother exhaust flow thanks to the design, and noise levels stay reasonable without unnecessary rattling or vibrations. Checking for leaks after install is advised to keep everything safe and functional.

The muffler’s main role of directing exhaust gas away works well, with reports of improved flow reducing back pressure, which can help the engine’s responsiveness. The stainless steel body resists corrosion, so it looks and works fine even after exposure to water and road salts.

Some have noted the provided hardware tightly clamps the system, though others mention you should be cautious about pipe alignment during setup to avoid leaks. The quality and fit meet expectations based on the technical specs.

This stainless steel muffler for the Mitsubishi Eclipse stands out for its durable 409-grade stainless steel construction, which resists rust even in wet or salty conditions. Installation is straightforward, with no welding required and included gaskets and clamps to fit right away. One note: the part may arrive as an equivalent model, so the appearance or minor details might differ.

This muffler works well for those who want a solid, direct replacement that helps improve exhaust flow without complex setup. It’s ideal for drivers focused on reliable performance gains rather than custom sound tuning. Extra attention to installation safety is necessary to avoid exhaust leaks, so professional installation is strongly recommended.

Drivers seeking a long-lasting, easy-to-fit muffler that raises horsepower and torque will find this product suits their needs. Anyone looking for a muffler with custom tuning, unique sound profiles, or lightweight racing materials might want to look for specialized options tailored to those goals.

Pros

• Corrosion-resistant stainless steel material
• Clamps and gaskets included for installation
• Improves exhaust flow and reduces back pressure
• No welding needed during installation

Cons

• Requires professional install to avoid leaks
• Minor alignment can cause exhaust leaks

6. Fits Mitsubishi Eclipse GS/RS 2.0L Burnt Tip Catback Exhaust System

This catback exhaust system fits Mitsubishi Eclipse GS/RS 2.0L models perfectly. It suits someone wanting a straight replacement that lasts longer than stock parts and adds a bit of style with its burnt tip. The main draw is it meets all original equipment specifications, so it fits like a glove without guesswork.

Setting this up matches the effort of swapping a stock exhaust, with everything needed included in the complete set. You won’t have to modify mounting points or worry about parts compatibility.

The direct replacement design means the installation process feels smooth, and daily driving shows no strange rattling or vibrations. Cleaning is typical for metal exhausts, and the burnt tip adds a distinct look that stays noticeable even after months on the road.

Build quality is solid, using high-quality materials designed to outlast your factory exhaust. It delivers the expected exhaust flow and sound without being too loud or drone-heavy.

One clear strong point comes from the DOT approval and full OE spec compliance, giving confidence in safety and street legality. A rare downside mentioned is the tight fit that sometimes makes initial assembly a bit fiddly but no lasting issues after proper installation.

The burnt tip catback exhaust system fits Mitsubishi Eclipse GS/RS 2.0L directly, making installation straightforward with its complete set replacing the stock assembly. The materials used are durable, contributing to a longer lifespan. One common drawback involves the exhaust noise level, which some find louder than expected for daily driving, especially under acceleration.

This exhaust suits anyone wanting a direct replacement that improves sound and appearance without altering the stock fit. It is ideal for those who want a solid upgrade without complex modifications. People looking for quieter or more performance-focused exhaust systems might want to explore other options tailored for those specific needs.

Quality meets federal standards with this DOT-approved product, which follows all original equipment specifications. The 30-day return policy and 90-day replacement warranty add reassurance for buyers, covering issues that might arise shortly after installation. The straightforward approach and sturdy build support regular use without frequent maintenance.

Pros

• Direct replacement fits without modification
• High-quality materials for longer lifespan
• DOT approved, meets OE spec
• Burnt tip adds unique styling detail

Cons

• Tight fit can complicate initial installation
• Limited warranty period compared to some competitors

7. DNA Motoring CBE-ME06L4 Stainless Steel Cat Back Exhaust System

This cat-back exhaust system fits 2006-2009 Mitsubishi Eclipse 2.4L models. It suits drivers focused on improving engine output and getting a deeper exhaust sound without major modifications.

Its biggest strength is the noticeable boost in low-end horsepower, which helps everyday driving feel more responsive.

Installation requires basic tools and some mechanical know-how since it bolts directly onto your Eclipse. The system uses mandrel bends and a TIG-welded flange, making it easier to install without worries about alignment issues. Daily use brings a deeper, smoother tone that isn’t overly loud, which works well for street driving.

Cleaning mainly involves wiping down the aluminized steel to prevent rust.

The exhaust pipe diameter stays consistent at 2 inches, allowing better gas flow and engine efficiency. Its stainless steel build and CNC-machined parts resist corrosion and wear over time.

The most praised feature is how the system adds 15 to 25 horsepower immediately, but some mention that the exhaust tone might be too aggressive for quiet neighborhoods.

The DNA Motoring CBE-ME06L4 exhaust system fits well on 06-09 Mitsubishi Eclipse models with the 2.4L engine. The build quality is solid, using aluminized steel and TIG welding that resists rust and corrosion. The deep tone stands out, giving a noticeable improvement in sound. Some mention pipes needing a precise fit during installation, requiring minor adjustments.

People wanting a stronger and smoother exhaust note with a horsepower boost will be satisfied. Those running a stock engine and seeking a quiet exhaust might prefer a system focused more on sound reduction. It suits drivers who want a moderate upgrade without a complicated setup or huge modifications.

The 2-inch piping keeps exhaust flow steady without feeling too loud or harsh on daily drives. Installing demands some mechanical skills and maybe extra tools for alignment. Cleaning involves routine wiping since the steel handles moisture well but occasional checks for loose bolts make sure it stays secure under the car.

Pros

• Instantly adds 15-25 horsepower
• TIG welds and CNC flange improve durability
• Fits 2006-2009 Eclipse 2.4L models perfectly
• Balanced tone, not too loud for daily driving

Cons

• Exhaust tone can be too aggressive for some
• Requires tools and mechanical skill to install

8. Auto Dynasty 4 Rolled Catback Exhaust Tip System

This is a cat-back exhaust tip system designed specifically for the 2006-2009 Mitsubishi Eclipse 2.4L l4 models. It fits well for anyone looking to boost their car’s power without complicated modifications.

The main strength lies in increasing horsepower and torque noticeably while maintaining a solid exhaust sound.

Setting it up is straightforward since it bolts directly onto the original exhaust, needing no drilling or extra parts beyond what’s included. The components come with gaskets and hardware, making the installation process simple.

Daily driving feels a bit livelier because this exhaust improves the airflow, which you can notice when accelerating or cruising. Maintenance is easy because the stainless steel resists rust and corrosion well.

This exhaust system increases power by 15-25 horsepower and improves low-end torque by allowing better air flow. Constructed from T-304 stainless steel, it uses mandrel bends for strength and durability with TIG welds to prevent leaks and pressure damage.

It has a polished chrome look that holds up through weather changes. One report says installation goes smoothly while some find the exhaust tone louder than expected but not unpleasant.

The Auto Dynasty 4 Rolled Catback Exhaust Tip System fits 2006-2009 Mitsubishi Eclipse 2.4L models and is made from T-304 stainless steel. It increases horsepower and torque by improving exhaust airflow and has a polished chrome finish. Installation is straightforward with a direct bolt-on replacement design, requiring no drilling or modifications and includes all necessary hardware.

This exhaust system performs well in daily driving, offering a noticeable power boost and a deeper exhaust note without becoming overly loud or droning. The stainless steel construction resists corrosion better than cheaper alternatives. Some might find the 4-inch outlet larger than expected, which may not fit under every bumper without minor adjustments.

Drivers who want a decent power increase and a sportier sound on their Eclipse will appreciate this system. Those seeking a quieter exhaust or who have non-2.4L models of the Eclipse should consider options specifically designed for their engine types or noise preferences, since this unit focuses on performance and airflow.

Pros

• Direct bolt-on fit, no drilling required
• Improves horsepower and low-end torque
• Stainless steel resists rust and corrosion
• Comes with all necessary gaskets and hardware

Cons

• Exhaust sound may be louder than expected
• Only fits 2.4L l4 models, not other engine types

9. Auto Dynasty 4 Rolled Catback Exhaust Tip System

This is a catback exhaust system designed specifically for 2000-2005 Mitsubishi Eclipse V6 models. It suits anyone looking to boost their car’s power output while keeping the factory fit and sound quality. The main strength lies in its ability to increase horsepower and torque with a direct bolt-on setup.

Installation goes smoothly since it bolts directly onto the original exhaust without needing drills or modifications. It comes with all gaskets and hardware, which makes the process less stressful.

On a daily basis, the rolled 4-inch exhaust tip looks clean and holds up well without extra maintenance. The 3-inch main piping helps clear exhaust gases efficiently without adding extra noise.

The system uses T-304 stainless steel with mandrel bends, making it durable and corrosion resistant. It delivers noticeable power gains, roughly 15-25 horsepower more, and improves engine efficiency. Some people mention that the sound is louder but still pleasant.

A common complaint is that the price can feel high compared to simpler setups, but the quality matches the cost.

The Auto Dynasty catback exhaust fits well on 2000-2005 Mitsubishi Eclipse V6 models and installs without drilling or modifications. Many appreciate the solid stainless steel build and clear boost in exhaust flow and engine sound. Some find the sound a bit louder than expected, and a couple mention minor fitment tweaks needed during setup.

This exhaust works well for drivers who want a noticeable horsepower gain and a more aggressive sound on their Eclipse V6. Those who prefer a quieter ride or a more balanced tone might want to look into other options. The durable construction should satisfy enthusiasts looking for an upgrade that lasts.

The installation process suits people comfortable with basic car upgrades since it bolts on directly using included hardware. It’s heavier than stock at 27 pounds but feels sturdy, and the rolled tip design adds a classic look. Cleaning can be done with simple stainless steel polish to maintain the finish.

Pros

• Direct bolt-on installation with included hardware
• Boosts horsepower and torque noticeably
• Durable stainless steel construction
• Clear and powerful exhaust flow

Cons

• Price higher than some simpler exhaust options
• Sound level louder than stock, may not suit everyone

10. DNA Motoring Stainless Steel Catback Exhaust System

This is a stainless steel catback exhaust system that suits Mitsubishi Eclipse owners who want to boost power without a complicated install. Its strongest point is the solid build combined with a clamp-on design that makes fitting straightforward.

Setting it up involves clamping the parts rather than welding, which cuts down on installation time and tools needed. The TIG welded flanges hold tight against pressure and corrosion, meaning it stays secure under normal driving conditions.

The 4-inch muffler tip adds some style at the back without overwhelming noise inside the cabin.

The exhaust improves horsepower noticeably, giving a smoother flow of gases that can add 15 to 25 extra horsepower or low-end torque. The T-304 stainless steel construction feels durable and resists rust well.

One common note is that the tig welds and CNC flanges hold up as promised, but the inlet and outlet sizes require double-checking for a perfect fit on all Eclipse models.

The DNA Motoring Stainless Steel Catback Exhaust System is made from T-304 stainless steel, which holds up well against corrosion and heat. It uses a clamp-on design that makes installation straightforward for those with basic tools. The exhaust produces a deep, smooth tone that adds noticeable presence without being too loud or harsh.

This exhaust fits well for people looking to add a bit more power and sound to their Mitsubishi Eclipse. It increases horsepower and torque in the lower range, which helps with acceleration and throttle response. This setup suits daily drivers who want sportier sound and performance without frequent maintenance. Those who want a quieter exhaust or are looking for extreme.

Fitting this system requires basic mechanical skills and some patience for alignment during installation. It weighs about 21 pounds, which adds a moderate amount of durability without being overly heavy. The 4-inch muffler tip gives a physical upgrade compared to factory parts, offering a clean finish that fits well visually.

Pros

• Clamp-on design simplifies installation
• Durable T-304 stainless steel
• Deep and smooth exhaust tone
• Improves horsepower and torque

Cons

• Requires verification of fit for all Eclipse models
• Clamp fit can be tricky on uneven pipes

11. EVIL ENERGY 2-Inch Exhaust Muffler

This is a 2-inch exhaust muffler suitable for a Mitsubishi Eclipse owner looking for a deeper, controlled engine sound. It suits someone who wants a solid upgrade without complex installation.

The biggest strength lies in its sound quality, giving a low, resonant tone that stands out but avoids being overly loud.

Setting it up requires checking your car’s inlet size since it has a 2 inlet and a 3 outlet. The muffler bolts on directly and takes only a few minutes to mount.

Its universal fit means you’ll want to measure before ordering to ensure compatibility. Daily driving with this muffler means you hear a consistent, rich tone, thanks to dense sound-absorbing cotton inside. Cleaning is typical for stainless steel, and the outside stays looking good with the polished finish and a striking blue burned tip that adds a cool look at the rear.

It performs well at reducing unwanted vibration while producing a deep exhaust note that fits muscle cars and daily drivers alike. The double-layered stainless steel walls are sturdy and do a solid job at muffling sound without making the car too quiet.

One clear praise is the sound clarity and durability of the build. A common issue is the universal design, meaning fit can be tricky if inlet measurements aren’t exact. The bolts can also feel tight to handle in some setups.

The EVIL ENERGY 2-Inch Exhaust Muffler delivers a low, deep sound thanks to the dense sound-absorbing cotton inside. Many find the installation simple, taking just a few minutes to bolt on. The polished stainless steel holds up well, though some notice the universal fit requires careful measuring to avoid issues with certain vehicles.

This muffler suits those wanting a deeper tone for modern trucks, muscle cars, or daily drivers, especially if the 2-inch inlet matches their setup. Its sturdy stainless construction stands up to regular use, and the blue burnt tip adds a unique look to the rear of the car. People needing a precise fit or quieter exhaust might want to explore.

Drivers who want a noticeable exhaust sound and solid build at a modest price will find this muffler a practical choice. Cars like Mitsubishi Eclipse that allow for a 2-inch inlet can benefit the most. Those preferring custom tuning or silenced performance should look at specialized mufflers designed for their specific model.

Pros

• Easy bolt-on installation in minutes
• Deep, controlled exhaust tone
• Durable dual-layer stainless steel walls
• Attractive burned blue tip design

Cons

• Universal fit requires careful measurement
• Bolts can be hard to tighten by hand

12. Exhaust Manifold Header for Mitsubishi Eclipse 1995-1999

This exhaust manifold header fits Mitsubishi Eclipse models from 1995 to 1999 with a 2.0L I4 non-turbo engine. It suits someone looking to improve engine power and sound without complex installation. Its biggest strength lies in the solid 304 stainless steel build that offers lasting corrosion resistance.

Setting it up involves matching original connectors, which makes installation straightforward, especially with the included instructions and video guides. The plug-and-play design means you can do everything under 30 minutes. Daily use benefits from the quick exhaust flow design that helps fuel burn more efficiently.

You won’t need frequent checks for rust or damage thanks to the durable materials.

The header performs well by reducing airflow resistance, boosting engine power output by roughly 10% to 15%. It creates a deeper, richer exhaust note while keeping cabin noise comfortable.

The stainless steel finish stands up to heat and humidity without warping. A common praise is its tight fit and simple installation process. One noted downside is that it only fits non-turbo models, so those with turbo Eclipse models need a different option.

This exhaust manifold header fits the 1995-1999 Mitsubishi Eclipse 2.0L I4 non-turbo models with no complicated changes needed. Installation usually takes less than 30 minutes using the included instructions and video. It’s corrosion-resistant due to 304 stainless steel, so it handles heat and humidity well. One drawback is that it may not suit those wanting a louder exhaust tone.

Drivers looking for a reliable replacement header with improved exhaust flow will find this a practical option. It increases engine power by reducing airflow resistance, which helps acceleration feel more responsive. People wanting a deep but quiet exhaust sound can appreciate the balanced tone. It’s not ideal for those seeking a louder, raw exhaust experience.

This header targets Eclipse models with the 2.0L non-turbo engine, making it a straightforward replacement part. The 3-year warranty offers extra reassurance against defects. Larger engines or turbo models need a different setup because this piece won’t fit or perform properly outside the specified cars. Everyday cleaning involves wiping down the polished surface to keep it looking good.

Pros

• 304 stainless steel resists corrosion well
• Boosts engine power by 10%-15%
• Quiet but sporty exhaust sound
• Easy installation with guides included

Cons

• Only fits non-turbo Eclipse models
• Limited to 1995-1999 model years

Best Exhaust Systems for Mitsubishi Eclipse Comparison

How to Choose the Right Exhaust System

Consider factors like material quality, fitment, and sound level since these affect durability, installation ease, and driving experience. Choosing the right exhaust prevents issues like leaks or excess noise, which can save money on repairs and avoid frustrating troubleshooting later.

Fit and Compatibility

Trying to install an exhaust system without confirming the exact year and model can lead to a frustrating experience. The shape of the undercarriage, the mounting points, and the pipe diameters vary over the Eclipse’s production years.

Installing a mismatched system often means spending extra time and money on tweaks, such as cutting pipes or fabricating brackets. Good fit means the exhaust bolts right up with little effort and doesn’t hang or cause rattling noises during drives. Checking the specs usually involves comparing the product’s model compatibility list or contacting the supplier for years covered.

Some systems require additional adapters or even modifications to the car’s stock exhaust setup. This affects installation time and can raise costs beyond the initial purchase. Systems that align with the car’s engine type and trim level ensure the best exhaust flow and sound without impacting performance negatively.

For example, a 2.0L Turbo model needs a different exhaust diameter compared to a V6. Confirming this upfront means the exhaust performs as expected and lasts longer without leaks or backpressure issues.

Performance Impact

Swapping out the factory system can add anywhere from 5 to 15 horsepower, depending on the design and materials. The biggest difference comes from reduced restrictions in exhaust flow, which lets the engine breathe better.

It’s not just raw power gains; torque often improves in the mid-range, making acceleration smoother in daily driving. Ignoring the flow design typically leads to backpressure issues that choke performance, causing the engine to feel sluggish or rev oddly. Look for diameter sizes around 2.5 to 3 inches and mandrel bends that maintain consistent pipe diameter; these are common sweet spots for this type of modification.

Fuel efficiency can also benefit thanks to better flow and less effort from the engine pushing exhaust gases out. Gains might be modest, around 1-2 mpg, but noticeable over time. Stainless steel materials hold up better against corrosion and heat, preventing leaks that could harm both performance and gas mileage.

Keeping an eye on the quality of welds and hangers ensures the setup stays secure and consistent, avoiding rattles or misalignment during normal use.

Sound Level and Tone

Driving with an exhaust that hits around 85 decibels feels comfortable on city streets and highways. Noise levels above 100 dB often become intrusive, making daily drives tiring and increasing the chance of drawing unwanted attention from law enforcement or neighbors.

A system rated near 90 dB offers a balance, giving a noticeable rumble without overwhelming conversation or causing headaches during longer trips. Learning this after trying a few loud setups helps avoid regrets around noise complaints or early fatigue.

The tone varies widely, from deep and aggressive growls to milder, quieter notes. Aggressive tones can sound great on the track, but at home, they sometimes feel like you’re driving a racecar on your commute.

Materials like stainless steel and titanium can influence the tone, with thicker pipes softening harshness. Considering local noise regulations and the tolerance of the neighborhood is key. Many areas cap exhaust noise around 95 dB, especially in residential zones, so checking ahead can save fines or mandatory modifications.

Material Quality and Durability

Rust often starts showing within a year on exhausts made from lower-quality metals, especially in regions with salty winter roads. Stainless steel models hold up much better, resisting corrosion for years. A thick piping diameter, around 2.5 to 3 inches, also helps prevent warping or cracks under heat.

Thin metal tends to dent or warp after constant heating and cooling cycles, leading to leaks and noisy exhaust.

Welds can make or break durability too. Spotty welds may crack quickly around bends or mounts. Look for smooth, even welds without gaps or excessive grinding marks.

Products that undergo proper heat treatment and use chrome or nickel in their alloys handle road debris and high exhaust temperatures better, meaning fewer repairs or replacements. Solid build quality means less rattling and fewer trips to the mechanic just to fix exhaust issues.

Installation and Maintenance

Swapping out the exhaust can take anywhere from 30 minutes to a couple of hours depending on the type. Direct bolt-ons are straightforward and often require just basic hand tools, saving time and avoiding headaches mounting the car on jacks for long periods.

Complex setups involve cutting, welding, or adapting parts, which means a trip to a shop or a skilled friend. Poorly planned installations tend to cause rattles, leaks, or misalignment that show up quickly, leading to more visits under the car just to tighten bolts or re-seal joints.

Daily maintenance becomes easier when the system is easy to access for cleaning and inspections. Look for designs that keep the muffler and pipes reachable without removing too many panels or lifting the whole exhaust off. Rust-prone sections near the mounting points or sensors wear out first, so replacement parts should be easy to find from reliable manufacturers, stainless steel components last longer but cost more upfront.

A few quick checks each month can prevent noisy pipes or reduced performance over time, especially if proper torque specs are followed during installation.

How to Install an Aftermarket Exhaust on a Mitsubishi Eclipse

Begin the installation by lifting the car securely with jack stands to access the exhaust system safely. Before unbolting the old exhaust, apply penetrating oil to the rusted bolts to make removal easier.

The Mitsubishi Eclipse’s exhaust system typically connects at the manifold and the rear hangers, so focus on loosening these points first.

Tools you’ll need:

• Socket wrench set
• Penetrating oil
• Rubber mallet
• New gaskets (recommended)
• Exhaust clamps or bolts depending on your exhaust type

After removing the old exhaust, compare the new one against the old for fitting and alignment. Using new gaskets where the exhaust meets the manifold helps prevent leaks.

Tighten bolts gradually in a crisscross pattern to avoid warping. Double-check the clearances near the frame and suspension, making sure there’s no contact that can cause rattles or damage.

Routine Maintenance Tips to Keep Your Eclipse Exhaust in Good Shape

Check your exhaust system for leaks regularly. Exhaust leaks not only affect performance but can also cause dangerous fumes to enter the cabin. A good way to spot leaks is by listening for unusual hissing or popping sounds during engine operation.

Also, inspect visible parts of the exhaust for rust or corrosion, especially around joints and welds.

Cleaning the exhaust tips can improve both appearance and longevity. Accumulated soot and road grime can eat away at the metal if left unchecked. Use a metal polish or dedicated exhaust cleaner with a soft cloth to remove buildup every few weeks.

Monitor mounting points and hangers. These help keep the exhaust system secure and prevent unnecessary stress on pipes and mufflers. Look for cracked or broken rubber hangers and replace them promptly to avoid vibrations and rattling noises.

• After driving through water, check underneath for trapped debris.
• Avoid short trips that prevent full exhaust system heating; condensation can build up inside and cause rust.
• Use manufacturer-recommended parts for replacements to maintain fit and function.

Common Installation Mistakes to Avoid with Mitsubishi Eclipse Exhaust Systems

Misaligning the exhaust components is one of the most common mistakes during installation. Mitsubishi Eclipse exhaust systems require precise positioning to avoid leaks and rattling noises.

Using the factory hangers and ensuring that the pipes sit flush can prevent these issues.

Failing to properly tighten clamps and bolts often leads to exhaust leaks. It’s a good idea to use a torque wrench to secure bolts to the recommended specifications without over-tightening, which can damage gaskets or threads.

Ignoring the condition of gaskets and seals can cause problems even if the exhaust parts are new. Always replace old gaskets, as worn seals can lead to poor fitment and exhaust fumes entering the cabin.

• Check the clearance around the exhaust pipes to prevent contact with the car’s body.
• Avoid using generic parts; stick to components designed for the Eclipse model.
• Inspect the entire exhaust path for rust or damage before installation.

Addressing these points will help ensure a smoother installation and better long-term performance.

People Also Asked

How Do I Know Which Exhaust Fits My Mitsubishi Eclipse?

Check your Mitsubishi Eclipse’s model year and engine type first to find a compatible exhaust. Different years and engines sometimes require specific pipe diameters or bends. Measuring the current exhaust or consulting the vehicle manual helps prevent buying parts that don’t line up. You might also want to consider the installation process to make sure it suits your tools and skill level.

What Maintenance Does a Performance Exhaust Require for Longevity?

Performance exhausts need regular cleaning and inspection to prevent rust and damage. Washing the exhaust with water and mild soap after driving in salty or wet conditions helps avoid corrosion. Checking for loose clamps or hangers ensures nothing rattles or falls off. Heating and cooling cycles can loosen welds, so tighten bolts occasionally for a secure fit.

Are There Safety Risks Installing Aftermarket Exhaust Systems Myself?

Installing an aftermarket exhaust yourself can involve safety risks, especially if you lack proper tools and experience. Exhaust parts get very hot and can cause burns. Using jack stands to securely lift the car is essential to avoid accidents. Take your time to ensure all bolts are tightened correctly to prevent leaks or parts falling off while driving.

How Long Does a Typical Aftermarket Exhaust Last on a Car?

A typical aftermarket exhaust lasts around 5 to 7 years. The lifespan depends on the material; stainless steel systems tend to hold up better against rust compared to mild steel. Regularly checking for rust spots and cleaning off road salt in winter helps extend its life, especially in areas with harsh weather.

What Common Issues Should I Watch for After Installing a New Exhaust?

Common issues after installing a new exhaust include leaks, rattling noises, and check engine lights. Make sure all clamps and bolts are tight to prevent leaks. Sometimes the hangers don’t align perfectly, causing vibration or noise. Checking for any leaks with soapy water can save trips back to the shop. Some people find that certain after-market exhausts need a bit of adjustment for a proper fit.

Conclusion

Choosing the right exhaust for a Mitsubishi Eclipse mainly comes down to sound preference, material quality, and ease of installation. The sound should fit your daily driving style, whether you want something quieter or more aggressive. Stainless steel is a good bet for lasting durability, and make sure the exhaust fits well with your car’s setup to avoid extra work during installation.

Pay close attention to your budget and how often you’ll drive your car with the new exhaust. A pricier option might make sense if you use your Eclipse every day, but a simpler model can work fine for occasional drives. Check the comparison table and the detailed picks above to find an option that fits your specific needs.

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.