Fabspeed BMW M3 E46 XperTune Performance Software (FS.BMW.E46.ET) Xtra-Oversized For race classes that require

For race classes that require catalytic converters withing 6" of the stock catalytic converters

- Dyno proven performance gains +6

4L offers a free-flowing mandrel-bent aluminum tube induction system designed to increase horsepower

If that is not enough

VIS Racing Carbon Fiber Hood 11DGCHA4DOE-010C

Fabspeed BMW M3 E46 XperTune Performance Software (FS.BMW.E46.ET) Xtra-Oversized For race classes that requirePurchase Disclaimer: Fabspeed Motorsport does not condone the use of emission defeat devices for any vehicles used on public streets or roadways. Fabspeed Motorsport will not tamper, remove, disable, or bypass emissions equipment on a motor vehicle in accordance with 40 CFR Section 86. 1854. 12(a)(3), Clean Air Act 40 CFR 1068. 101(b). This includes software, known as tunes, that reprogram a motor vehicles electronic control module to alter engine