Replaces the restrictive and redundant factory secondary catalytic converters with a free-flowing x-pipe section which increases power and sound; available with or without resonators for additional weight savings.
FEATURES:
- Fits all BMW E90/92/93 M3 vehicles (2007-2013)
- Increases horsepower and torque by 15 whp and 8 ft-lbs
- Constructed from high-quality 14-16ga T304L stainless steel for optimum performance and reliability
- Complies with most emissions & inspections regulations
- All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty
- Non-resonated configuration is recommended for track/off-road use only due to the aggressive exhaust note
