Performance parts

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Exhausts, sport cats, headers, intakes and tuning from Fabspeed, IPD, GiroDisc and more.

  • Free U.S. shipping on every part; apparel free over $65
  • Authorized Fabspeed dealer - parts ship new from the manufacturer
  • 15-day returns on parts and apparel
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Fabspeed exhausts, sport cats, intakes and tuning - every part shipped brand new from the manufacturer's U.S. facility.

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159 Products
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57 Products
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58 Products
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40 Products
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Wear the car you're saving for

Porsche, Ferrari, Lambo, McLaren, AMG, BMW, Bugatti and Corvette designs on heavyweight hoodies, tees, beanies, hats, phone cases and stickers. Every piece is embroidered or printed to order in the USA. Free U.S. shipping on apparel orders over $65.

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Exhaust Systems
268 Products
Sport Cats
115 Products
Headers
43 Products
Air Intakes
45 Products
Exhaust Tips
62 Products
Denver, Colorado

Apparel for the addicted. Parts for the obsessed.

Boosted Mayhem started as a car-guy apparel brand built around one obsession: the cars we can't stop thinking about. Today it's also an authorized Fabspeed Motorsport dealer, with 1,100+ exhausts, sport cats, headers and intakes for the world's best driver's cars. Independent, enthusiast-run, and honest about shipping, returns and pricing.

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Guides & Buyer's Picks

Exhaust guides by model, gift lists and straight answers from people who actually drive these cars.

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Gifts for Car Guys 2026: Ideas for Every Budget

Shopping for gifts for car guys (or car girls) is easy to get wrong in two directions: the generic "dad garage sign" that says...
Jul 22 2026

Ferrari 458 Exhaust: Every Option Compared, From $577 to Full Race

The 458 Italia is the last Ferrari V8 that breathes on its own — a 4.5-liter flat-plane-crank F136 spinning to 9,000 rpm with no...
Jul 22 2026

Porsche Cayenne Exhaust Upgrade Guide: Best Options for Every Generation

The Cayenne is the Porsche that does everything — school runs, ski trips, towing the track car — and that's exactly why the factory...
Jul 22 2026

C8 Corvette Exhaust Guide: Best Upgrades for Stingray, Z06, E-Ray & ZR1

Move the engine behind your ears and every drive should sound like an event. That is the whole promise of the mid-engine C8 —...
Jul 22 2026

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@boostedmayhem - silver C8 Corvette Z06 on the highway
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@boostedmayhem - C8 Corvette Z06 in the Colorado foothills
@boostedmayhem - C8 Corvette Z06 at sunset