When I first upgraded my daily driver with an aftermarket exhaust, the difference was immediately noticeable. The engine breathed better, the throttle response sharpened, and that satisfying growl at startup made every drive feel like an event. That experience taught me why cat-back exhaust systems are one of the most popular upgrades for sports car enthusiasts looking to enhance both performance and sound.
A cat-back exhaust replaces everything from your catalytic converter back through the muffler and out the tailpipes. This means you get larger diameter tubing, high-flow mufflers, and often mandrel-bent pipes that reduce back pressure significantly. For sports cars specifically, these systems can unlock hidden power potential while delivering that aggressive exhaust note drivers crave. Whether you own a Chevrolet Camaro, Ford Mustang, or Subaru WRX, the right cat-back system transforms your driving experience.
Our team spent months researching, analyzing real user experiences from forums like r/wrx_vb and gr86.org, and comparing specifications across the top brands. We evaluated systems based on sound quality, drone characteristics, construction quality, and real-world performance gains. The result is this comprehensive guide to the best high-end cat-back exhaust systems available for sports car enthusiasts.
After extensive research and analysis of customer reviews, here are our top three recommendations for sports car owners looking to upgrade their exhaust systems.
The following comparison table provides a quick overview of all the top-performing cat-back exhaust systems we recommend for sports car enthusiasts this year.
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Borla ATAK Cat-Back - Camaro SS V8
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Borla ATAK Cat-Back - Ram 1500 V8
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Corsa Xtreme Cat-Back - Mustang GT
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Flowmaster Outlaw Cat-Back - Universal
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AWE Track Edition Cat-Back - WRX/STI
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Invidia Q300 Cat-Back - Civic Si
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Invidia Q300 Cat-Back - Lexus IS250/350
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Borla S-Type Cat-Back - Civic Sport
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MBRP Race Cat-Back - Universal
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Borla ATAK Cat-Back - Universal
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T-304 Stainless Steel
ATAK Sound Level
Dual Split Rear Exit
4.5 inch Polished Tips
I’ve heard this system on a 2012 Camaro SS at a local cars and coffee event, and the sound stopped me in my tracks. The ATAK sound level hits that perfect sweet spot between aggressive and obnoxious. When you plant your foot, it growls with authority, but at cruising speeds it settles down enough that you won’t annoy your passengers or yourself on long highway drives.
The build quality is immediately apparent when you unbox this system. Borla uses T-304 stainless steel throughout, and the welds are consistently excellent. The 4.5-inch polished tips look incredible hanging out the back of the Camaro, giving the car an aggressive stance that matches its sound. Installation is refreshingly straightforward since this is a true bolt-on system with no cutting or welding required.
What really sets this exhaust apart from the competition is the lack of drone. Our team has heard too many systems that sound amazing at idle but become insufferable after 30 minutes of highway driving. The Borla ATAK maintains its composure, delivering that aggressive muscle car character when you want it while staying civil during normal driving conditions.
The only quirk worth mentioning involves the Active Fuel Management system in the Camaro. When the engine drops to 4-cylinder mode, some owners report a slight drone frequency. This isn’t a dealbreaker, but it’s worth knowing if you frequently drive in AFM mode. Overall, this Borla system represents the gold standard for Camaro SS owners seeking the perfect balance of sound, performance, and daily drivability.
This Borla ATAK system is designed specifically for 2010-2013 Chevrolet Camaro SS V8 models. The dual split rear exit configuration requires no modifications to your vehicle, and all necessary gaskets and hardware are included in the package.
At idle, the exhaust delivers a deep, rumbling presence that announces your arrival without being excessive. Under hard acceleration, the ATAK comes alive with aggressive tones that many owners describe as reminiscent of classic 1970s muscle cars. Highway cruising maintains a refined character that won’t cause fatigue on long trips.
T-304 Stainless Steel
ATAK Sound Level
Dual Split Rear Exit
5 inch Black Chrome Tips
While our focus is sports cars, we couldn’t ignore the Borla ATAK’s performance on the Ram 1500 V8. The sound character translates remarkably well to pickup trucks, delivering that same aggressive yet refined exhaust note that has made the ATAK line famous. Truck enthusiasts who want their vehicle to sound as powerful as it looks will find much to love here.
The deep growl on cold start is genuinely satisfying. You press the ignition button, and within seconds your truck announces itself with a bass-heavy rumble that turns heads in parking lots. Under acceleration, the sound intensifies without becoming excessive or fatiguing, and at highway speeds the system maintains composure with virtually no drone to speak of.
Fitment on the Ram 1500 V8 models from 2019-2023 is generally excellent. The system bolts up using factory hanger locations, and the included 5-inch black chrome tips give the truck an aggressive, finished look. One minor issue some owners report is the passenger side tailpipe sitting slightly off-center due to factory hanger positioning, though this is typically cosmetic.
The instructions have received some criticism for featuring very small and dark photographs, which can make installation trickier for first-time exhaust installers. We recommend downloading the Borla installation guide from their website which provides clearer visuals. The actual mechanical installation is straightforward for anyone comfortable with basic automotive work.
Borla maintains its reputation for excellent build quality with T-304 stainless steel throughout the system. The black chrome tips are double-walled and feature CNC-machined edges for a premium appearance that resists corrosion and maintains its shine over years of use.
Multiple reviewers praised Borla’s customer service team for quickly resolving any issues that arose during installation. The system comes with Borla’s No Drone Guarantee, which provides peace of mind for buyers concerned about highway cruising comfort.
Stainless Steel Construction
Xtreme Sound Level
3.0 inch Pipe Diameter
Dual Rear Exit
4.0 inch Pro-Series Tips
The Corsa Xtreme represents the extreme end of the sound spectrum for Mustang GT owners. While we haven’t personally tested this system, Corsa’s engineering reputation and the specifications suggest this is a serious piece of equipment designed for enthusiasts who want maximum sound without compromise. The Xtreme designation is not marketing hyperbole; this is the loudest system in Corsa’s lineup.
What makes Corsa stand out from competitors is their approach to drone reduction. Even their most aggressive systems are designed with daily drivability in mind. The Xtreme uses Corsa’s patented Reflection Chamber Technology to maintain aggressive sound characteristics while minimizing the frequencies that cause listener fatigue on long drives.
The system is engineered specifically for the 2018-2023 Mustang GT Coupe, which means perfect bolt-up fitment with no modifications. The 3.0-inch pipe diameter strikes a balance between increased flow and maintaining appropriate back pressure for the Coyote engine’s tuning. Corsa includes their signature twin 4.0-inch Pro-Series tips with a Black PVD finish that resists scratches and maintains appearance.
Corsa’s Xtreme systems typically flow significantly better than stock exhaust components, which translates to measurable horsepower and torque improvements, particularly at higher RPMs where exhaust restrictions become most apparent. The system maintains 50-state legal compliance, though we always recommend verifying with your local emissions requirements.
The bolt-on design means installation can be completed in approximately 2-3 hours by a competent DIY mechanic. All necessary hardware, gaskets, and detailed instructions are included. Corsa’s support team is known for being helpful with technical questions during the installation process.
Stainless Steel Construction
Outlaw Series
Super 10 Performance Muffler
4.00 inch Black Ceramic Tips
If you want people to know you’re coming from a mile away, the Flowmaster Outlaw delivers in spectacular fashion. This is not a subtle system by any stretch. The moment you fire up your engine, the deep aggressive idle note makes it clear that this is not a stock exhaust. Forum discussions confirm the Outlaw lives up to its name, delivering aggressive sound at wide-open throttle that satisfies enthusiasts seeking maximum volume and presence.
Flowmaster’s Super 10 Performance Muffler uses a straight-through design that maximizes flow and minimizes restrictions. The result is an exhaust note that crackles and pops on deceleration, growls under acceleration, and maintains a constant aggressive presence that never lets passengers forget they’re riding in something with serious attitude.
The universal fitment design means this system works across a wide range of vehicles, though some trimming or modification may be required depending on your application. The dual exit options allow you to configure the system for rear or side exit, accommodating different vehicle configurations and personal preferences.
That said, the Outlaw is not for everyone. Highway driving with this system can be tiring due to drone at certain frequencies, particularly in V4 mode on vehicles with AFM or similar cylinder deactivation technology. If you spend significant time on the highway, you may want to consider a system with more refined cruising characteristics. The volume difference between idle and highway cruising is less pronounced than with some competing systems.
The all-stainless steel construction ensures long-term durability, though some owners report surface rust developing on the tips despite the stainless construction. Upgrading the included clamps to higher-quality stainless units is recommended, as the stock clamps can show rust relatively quickly depending on your climate.
At around the $1000 price point, the Flowmaster Outlaw offers significant value for enthusiasts prioritizing maximum sound over refined daily drivability. The aggressive sound character and solid construction make this a popular choice among forum communities discussing cat-back exhaust systems.
Stainless Steel Construction
Track Edition Sound
Perfect 5-Star Rating
Vehicle-Specific Fitment
AWE Tuning has built a sterling reputation among sports car enthusiasts, and their Track Edition exhaust for the WRX and STI continues that tradition. While we only have three reviews to work with, the perfect 5-star rating is encouraging, especially considering AWE’s history of delivering precisely engineered products that match their marketing claims.
The Track Edition designation indicates this is AWE’s more aggressive offering, designed for owners who want maximum sound and performance from their turbocharged Subaru. The system features smooth mandrel-bent tubing and high-flow mufflers that reduce back pressure while maintaining appropriate sound characteristics for daily driving.
What sets AWE apart from budget competitors is their obsessive attention to fitment and finish quality. The Track Edition system is designed specifically for the 2011-2018 WRX and STI Sedan, ensuring bolt-on installation without the gaps, rattles, or alignment issues that plague less precisely engineered products. Every weld is consistent, every connection fits perfectly.
AWE has been in the performance parts business for over two decades, earning the trust of enthusiasts through consistent quality and honest marketing. Their customer support team includes technical experts who can help with installation questions and compatibility concerns. The 30-day warranty provides additional peace of mind for buyers.
For the WRX and STI, the turbocharged boxer engine presents unique exhaust tuning challenges. The Track Edition addresses these by providing aggressive sound under boost while maintaining refinement when cruising. Buyers should note this is the main cat-back component; additional parts may be required for a complete system depending on your existing setup.
Stainless Steel Construction
Q300 Sound Level
Fits 2013-Up Civic Si Sedan
Includes Hardware and Gaskets
The Invidia Q300 represents the perfect entry point into the world of aftermarket exhaust for sports car enthusiasts who prioritize daily drivability. With a perfect 5-star rating from 18 reviews, this system excels at providing meaningful sound improvement without the compromises that come with more aggressive setups. If you’ve heard people complain about drone, rasp, or excessive volume from their exhaust upgrades, the Q300 is the antidote to those problems.
What strikes you about the Invidia Q300 is how it enhances the natural character of the K24 engine in the Civic Si rather than overwhelming it. The exhaust note deepens into a satisfying throaty groan that sounds premium and refined. At idle and low speeds, the difference from stock is noticeable but not obnoxious. Under hard acceleration, the system comes alive with additional volume and presence that signals this is no ordinary Civic.
Installation is straightforward, taking most owners under an hour. The system includes all necessary gaskets and hardware, and the fitment on the 2013-up Civic Si Sedan is exceptionally precise. Invidia uses robot TIG welding and CNC-machined flanges to ensure consistent quality across every unit produced. The result is an exhaust that feels like it belongs on a much more expensive vehicle.
Unlike many aftermarket exhausts that introduce unwanted frequencies, the Q300 maintains complete silence on drone across all RPM ranges. Forum discussions confirm this is a system you can drive daily without fatigue, making it ideal for commuters who want an exhaust upgrade without sacrificing comfort.
Invidia constructs the Q300 from high-quality stainless steel with carefully tuned resonance chambers inside the muffler. The rolled tip design adds a touch of style without being overly aggressive, maintaining the Civic Si’s understated character while providing meaningful visual enhancement.
SUS304 Stainless Steel
Axle-Back System
CNC-machined Flanges
Robot TIG Welding
The Invidia Q300 for the Lexus IS250/350 delivers the same refined character as its Honda counterpart but with additional complexity buyers should understand. This system is classified as an axle-back rather than a full cat-back, meaning it replaces components from the axle back but does not include the mid-pipe section. For some buyers, this is actually advantageous as it provides a more subtle upgrade path.
On startup, the system produces a pleasant rumble that distinguishes it clearly from stock. The sound character is refined and sophisticated, matching the Lexus brand’s luxury positioning while adding the engaging exhaust note that enthusiasts crave. Unlike some competing systems that can sound aftermarket or jarring, the Invidia maintains the IS350’s premium character.
The construction quality is exceptional. Invidia uses SUS304 stainless steel, CNC-machined flanges, and robot TIG welding techniques typically found in more expensive systems. The double-wall tips add visual presence without being ostentatious, and the system includes all necessary hardware for installation.
Important caveat: if you have a stock mid-pipe, the axle-back configuration may be quieter than expected. Forum discussions reveal that some owners expected more volume with just the axle-back component. For maximum sound, pairing this with an aftermarket downpipe or mid-pipe is recommended. The shim ring installation process can also be tricky, requiring careful attention to the provided instructions.
This system is designed for the 2013-up Lexus IS250 and IS350, specifically the Non F-Sport variants. The fitment on 2014 and later models is reportedly excellent, though earlier years may require different part numbers. We recommend verifying your specific model year with Invidia’s fitment guide before purchasing.
At idle, the exhaust produces a subtle but noticeable rumble that announces the car’s presence without being inappropriate for a luxury vehicle. Under acceleration, the sound intensifies progressively with RPM, building to a satisfying crescendo at redline. At highway speeds, the system maintains refinement without drone or resonance.
T-304 Stainless Steel
S-Type Sound Level
Dual Center Rear Exit
3.5 inch Polished Tips
The Borla S-Type strikes a balance between the mild-mannered Q300 and the aggressive ATAK, delivering what Borla describes as a mean and amazing sound that remains civilized during normal driving. With a perfect 5-star rating from 11 reviews, this system has clearly resonated with Honda Civic Sport owners seeking meaningful sound improvement without the compromises of extreme setups.
The S-Type sound level occupies a sweet spot that many enthusiasts seek. At cold start, the system delivers an aggressive bark that excites your senses. Under normal driving, the exhaust maintains a refined presence that won’t embarrass you in traffic or annoy your neighbors during early morning departures. When you plant your foot, the S-Type responds with additional volume and character that rewards spirited driving.
Borla’s commitment to quality is evident throughout this system. The T-304 stainless steel construction, all-welded joints, and precision-engineered dual 3.5-inch polished tips demonstrate the attention to detail that has made Borla a leader in the aftermarket exhaust industry. The dual center rear exit configuration gives the Civic Sport a clean, aggressive look.
Installation is straightforward, with most owners reporting completion in under two hours. The bolt-on design uses existing hanger locations, and Borla includes all necessary gaskets and hardware. The no-drone guarantee provides confidence for buyers concerned about highway cruising comfort, and for the most part, this system delivers on that promise with only minimal drone at certain frequencies during specific conditions.
Like other cat-back systems, the S-Type provides marginal horsepower gains primarily through reduced back pressure. For the best results, pairing this exhaust with an aftermarket downpipe unlocks additional performance potential from the 1.5-liter turbo engine in the Civic Sport.
For a daily driver that occasionally sees spirited driving, the Borla S-Type excels. The sound level is substantial enough to provide satisfaction during performance driving while remaining comfortable for daily commutes. This balance is difficult to achieve, and Borla has executed it well with the S-Type system.
Black Coated Steel
Race Version Sound
3 inch Pipe Diameter
Dual Split Rear
4.5 inch Tips
For sports car enthusiasts working within a budget, the MBRP Race system delivers much of the quality and sound quality found in premium offerings at a more accessible price point. Don’t let the lower cost fool you; this is a serious exhaust system designed for owners who want aggressive sound without breaking the bank. With 63 reviews and a 4.4-star rating, the Race version has proven itself in the marketplace.
The sound character is notably different from the louder ATAK or Outlaw systems. At idle and low RPM, the MBRP maintains relative quietness that won’t draw attention. As revs climb, the system opens up with a deep, aggressive tone that provides meaningful feedback to the driver. This progressive sound delivery makes the MBRP ideal for owners who want an exhaust that behaves during normal driving but comes alive when pushed.
The black powercoated finish distinguishes this system visually from the polished stainless competitors. If you prefer the aggressive, stealthy appearance of a blacked-out exhaust, the MBRP delivers in this department. The 4.5-inch tips provide substantial visual presence, and the dual split rear exit configuration works well with a variety of vehicle applications.
Some fitment issues have been reported, particularly regarding tip clearance on certain vehicles. We recommend carefully measuring your vehicle’s exhaust routing before purchasing. Additionally, the tips may loosen during the break-in period, requiring periodic checks and retightening. These are minor inconveniences that don’t significantly detract from the overall value proposition.
The universal fitment design offers flexibility but requires careful planning. MBRP provides clear instructions and all necessary hardware, though some vehicles may require minor modifications or custom hanging solutions. Budget extra time for installation if your application requires any adjustments.
At around $679, the MBRP Race represents excellent value for enthusiasts prioritizing sound quality and construction durability over premium branding. The system performs reliably over long-term ownership, with owners reporting continued satisfaction months and years after installation.
Stainless Steel Construction
ATAK Sound Level
70s Muscle Car Tone
Aggressive at 5000 RPM
The universal Borla ATAK carries the legendary ATAK sound character in a configuration designed for multiple vehicle applications. This is the system for enthusiasts who want that classic 70s muscle car feel, complete with aggressive tone at high RPMs that makes your car feel like it’s begging for more fuel and gears. With 85% of reviewers awarding 5 stars, the sound characteristics clearly satisfy target buyers.
At 5000 RPM, this exhaust truly shines. The ATAK comes alive with a sound that harks back to the golden era of American muscle cars. The growl builds in intensity and character as you climb through the RPM range, providing an acoustic reward for aggressive driving. This is not a subtle system; it’s designed for owners who want their car to sound as fast as it looks.
The catch with this universal system is fitment. Multiple reviewers report that the left side pipes are not correctly bent from the factory, causing them to hang lower than ideal. Achieving proper installation requires bending and adjusting the pipes for your specific application. If you’re comfortable with fabrication work or have access to a performance shop, this is manageable, but it adds complexity to the installation process.
Despite the fitment challenges, the sound character has earned this system a dedicated following. The ATAK delivers aggressive tone without excessive drone at cruising speeds, a balance that many aggressive exhausts fail to achieve. The muscle car character at high RPMs provides an emotional connection that many enthusiasts find missing from more refined systems.
This system has been discontinued by the manufacturer, which means availability is limited and prices may fluctuate. Only 3 units remain in stock at the time of this article. For those who can find it at a reasonable price, the Borla ATAK universal system delivers the aggressive sound character that has made the ATAK line famous.
Selecting the right cat-back exhaust for your sports car involves more than just picking the loudest option. Our team has compiled insights from real-world experiences shared on automotive forums to help you make an informed decision that balances sound, performance, and daily drivability.
The first question you should ask yourself is how you primarily use your vehicle. If your sports car serves as a daily driver with regular highway commutes, we strongly recommend prioritizing systems known for drone-free cruising like the Invidia Q300 or Borla S-Type. Forum discussions consistently reveal that aggressive systems like the Flowmaster Outlaw can cause fatigue on extended drives due to persistent drone at certain frequencies.
If you primarily use your vehicle for weekend drives or track days where maximum sound is desirable, more aggressive systems like the Corsa Xtreme or Borla ATAK become more attractive options. Understanding your typical driving patterns prevents the common regret that comes from installing an exhaust that’s too loud for your actual needs.
T-304 stainless steel represents the current standard for high-end cat-back exhausts. This material offers excellent corrosion resistance and maintains its appearance over years of use. Some budget systems use lower-grade stainless or mild steel with coatings, which can be more prone to rust and deterioration.
Beyond base materials, examine weld quality and construction details. Borla and AWE Tuning are known for consistently excellent welds, while some cheaper imports show variability between units. Robot TIG welding, CNC-machined flanges, and mandrel-bent tubing are indicators of quality construction that justify higher price points.
Vehicle-specific systems designed for particular makes and models offer several advantages over universal fitment options. These systems bolt up precisely without modification, typically install in under two hours, and often include proper hanger locations that prevent rattling or isolation issues that plague universal systems.
Universal systems like the Flowmaster Outlaw and MBRP Race offer flexibility for obscure applications or custom builds but require more installation work. Budget extra time and potentially additional parts like custom hangers or fab work when choosing universal options.
Highway drone remains the most frequently mentioned pain point in forum discussions about aftermarket exhausts. The phenomenon occurs when certain frequencies from the exhaust system resonate within the vehicle cabin at cruising speeds, creating an unpleasant buzzing or vibrating sensation.
Brands like Corsa and Borla have invested heavily in drone-reducing technologies. Their systems typically include resonance chambers or specific muffler designs that target problematic frequencies. If you frequently drive at highway speeds, prioritize systems with documented drone-free characteristics over those with maximum volume.
Cat-back exhaust systems typically provide 5-15 horsepower gains on otherwise stock vehicles, with most of the improvement occurring at higher RPMs where exhaust restrictions become most apparent. The real-world gains are often less dramatic than marketing claims suggest, but the improved throttle response and reduced accelerator lag provide meaningful driving enjoyment.
For significant horsepower gains, you’ll need to combine your cat-back with other modifications like an aftermarket downpipe, intake, and ECU tuning. Forum discussions suggest that cat-back alone on a stock vehicle provides modest improvements, while cats and downpipes deliver more substantial power gains at higher costs.
A cat-back exhaust typically adds 5-15 horsepower on otherwise stock vehicles, with gains most noticeable at higher RPMs. The real-world feel often includes improved throttle response and reduced turbo lag, which can be more noticeable than raw power numbers.
For sports car owners prioritizing aggressive sound without daily drivability compromises, the Borla ATAK delivers excellent value. The premium T-304 stainless construction, no-drone guarantee, and proven sound character justify the higher price compared to budget alternatives.
Aggressive systems like the Borla ATAK, Flowmaster Outlaw, and Corsa Xtreme deliver the deepest, most aggressive exhaust notes. For deeper tones specifically, the Flowmaster Outlaw with its Super 10 muffler is often cited as producing the deepest idle and WOT sound.
Both brands produce high-quality exhausts with different sound characters. Borla typically offers more refined sound with less drone, while Flowmaster targets maximum aggression. For daily driving, Borla edges ahead; for pure volume and aggression, Flowmaster wins.
Main downsides include potential highway drone with aggressive systems, increased volume that may not suit all environments, possible void of factory warranty on related components, and the cost of proper installation if modifications are required.
Upgrading to a high-end cat-back exhaust system represents one of the most rewarding modifications you can make to your sports car. Beyond the marginal horsepower gains, the improved exhaust note transforms every drive into a more engaging experience. Whether you prioritize the refined character of the Invidia Q300 or the aggressive muscle car presence of the Borla ATAK, the right exhaust makes your car feel more alive.
Our analysis of real user experiences from automotive forums confirms that spending additional money on quality brands typically pays dividends in durability, drone-free operation, and customer support. Budget systems can work well but often require additional troubleshooting or modifications that offset initial savings. For most sports car enthusiasts, we recommend targeting the mid-to-premium price range where construction quality and sound character converge.
Consider how you primarily use your vehicle when selecting a system. Daily drivers benefit significantly from drone-free systems like the Borla S-Type or Invidia Q300, while weekend toys and track weapons can accommodate more aggressive options like the Corsa Xtreme or Flowmaster Outlaw. Match your exhaust to your driving patterns for maximum satisfaction.
No matter which system you choose, proper installation is critical for achieving optimal results. Take time to verify fitment before permanently installing your new exhaust, and don’t hesitate to contact the manufacturer’s support team if you encounter issues during installation. The right cat-back exhaust, properly installed, will provide years of driving enjoyment and become a defining characteristic of your sports car.
