Straight-through tubing section replaces the heavy and restrictive OEM catalytic converters for maximum power and sound; recommended for track/off-road use only.
- Fits all BMW 335/135i vehicles (2006-2011)
- Improves power by 32 whp and 39 ft-lbs of torque
- Straight-through design allows for maximum power and sound
- Constructed from mirror-polished T304L stainless steel
- Direct bolt-on replacement for OEM primary catalytic converters
- All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty