BMW B58 Performance Parts
Performance parts for the BMW B58 — M340i, M440i, M240i, 540i, X3/X4 40i and the GR Supra. Downpipes, turbo kits, fueling, catch cans and supporting mods, all proven on cars we tune every week at Racebox in Houston. Not sure what your build needs next? Start with our B58TU tuning guide or grab a Racebox custom tune to go with the hardware.
BMW S58 Performance Parts
Performance parts for the BMW S58 — G80/G82/G83 M3 and M4, F97/F98 X3M and X4M. Downpipes, upgraded turbos, fueling and supporting mods for the platform we make 700+ whp on regularly. Read the Racebox M4 build guide or pair your parts with a Racebox S58 custom tune.
Infiniti Q50 / Q60 VR30 Performance Parts
VR30 performance parts for the Infiniti Q50 and Q60, from the shop behind the world's quickest VR30. Turbos, downpipes, intakes, flex fuel and port injection — the same parts on our own shop cars and hundreds of customer builds. New to the platform? The Racebox VR30 build guide lays out the whole path, and our custom tuning ties it together.
Nissan Z (RZ34) Performance Parts
Performance parts for the new Nissan Z (RZ34). Same VR30 heart as the Q50/Q60, same Racebox know-how — turbos, exhaust, fueling and gateway bypass hardware for tuning the 2023+ Z. See what our own Z runs in the Racebox Nissan Z build guide, then pair it with a Racebox custom tune.
Racelife
Racebox apparel and shop gear. The same hoodies, decals, and merch we wear in the dyno videos — for people whose cars run the numbers.
Racemode
Discover Racebox’s Racemode Tuning Collection, offering tailored performance enhancements for a variety of vehicles, including Audi, BMW, Infiniti, Nissan, and Toyota models. Our expert calibrations are designed to unlock your engine’s full potential, delivering significant increases in horsepower and torque. Experience improved throttle response and customizable tuning maps that adapt to your driving style, whether for daily commutes or high-performance driving.
Raceparts
Every part in this collection earns its spot on cars we actually tune. Turbo kits, downpipes, intakes, fueling, and supporting mods for the Infiniti Q50/Q60 and Nissan Z VR30, BMW B58 and S58, and the GR Supra — tested on the Racebox dyno in Houston, not just listed from a catalog. If you're not sure what your build needs next, check our build guides or ask. We run most of this hardware on our own shop cars.Shop by platform: BMW B58 parts, BMW S58 parts, GR Supra parts, Infiniti Q50/Q60 VR30 parts, Nissan Z parts.
Toyota GR Supra Performance Parts
Performance parts for the A90/A91 Toyota GR Supra B58. Top mount turbo kits, port injection, fueling and supporting mods — the exact recipe from our 800whp GR Supra build guide. Hardware plus a Racebox custom tune is how our Supra runs 4.5s 60-130.
