Straight-through mandrel bent pipes replace the restrictive factory primary catalytic converters for maximum exhaust flow, power and sound.
FEATURES:
- Fits all BMW E90/92/93 M3 vehicles (2007-2013)
- Constructed from 14-16ga T304L stainless steel CNC mandrel bent tubing for maximum performance and durability
- Includes 02 sensor bungs for simple installation
- Compatible with stock secondary catalytic converters or Fabspeed's Secondary Catbypass X-Pipe
- All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty
NOTE: Fabspeed’s Primary Catbypass Pipes are not C.A.R.B. certified and are for Off-Road Use ONLY in the state of California. This product replaces the factory catalytic converters and may trigger a Check Engine Light.