Fabspeed BMW 335/135i Catbypass Downpipes

Brand: Fabspeed

Product Code: FS.BMW.N54.CBDP

Availability:In stock

$695.00 695.00

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