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Performance Parts

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About Performance Parts

Want it louder, sharper, or both? Most cars in here wake up in the same order. An intake so you hear it breathe, an exhaust so you hear it leave, and a tune that makes the first two worth paying for. Tell us what you drive and you'll only see parts cut for that car.

Sound or feel is the fork in the road. An exhaust is the change you notice every morning. An intake and a tune are the change you feel off idle. On a turbo car the tune does the heavy lifting and the factory airbox is the first thing choking it. Drivetrain sits down here too, and it's the part nobody thinks about until the clutch starts slipping.

Emissions matter more on this page than any other. A cat back stays legal everywhere because the catalyst never moves. An intake needs a CARB exemption number in California and the states that copy its rules, and we print that number when the maker has one. Anything that replaces a cat is off road only, and you'll read that on the listing rather than find out on inspection day.

By brand
aFe Power3,027Injen Technology860AWE Tuning668HKS482Magnaflow475Borla454MBRP332GReddy140
By make
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Common questions

What should I buy first on a stock car
An exhaust if you're after sound, an intake and a tune if you're after response. An axle back is the cheapest thing you'll hear every single day. On a turbo car the tune moves the needle more than either part on its own, and the hardware is what gives that tune room to work safely.
Do these parts void my warranty
Not by themselves. The Magnuson Moss Warranty Act makes a dealer prove the part caused the failure before it can deny that claim. A muffler swap isn't touching an engine claim. A tune that raises boost is a different conversation, and dealers do read the ECU, so hang on to the factory pieces.
Are these parts legal in California
Yes for the ones carrying a CARB Executive Order number, and we flag that number right on the listing. A cat back is fine everywhere, because it sits behind the converter and the emissions side doesn't change. Intakes are the ones that need the EO number, in California and in the states that follow its rules. A test pipe? Off road only, whatever the box claims.