FabSpeed BMW M3 E90 / 92 / 93 Secondary Cat Bypass X- Pipe

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 Can be ordered with or without resonators;  Non-resonated configuration is recommended for track/off-road use only due to the aggressive exhaust note. 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 Warranty