Riss Racing 3 Inch Catless Downpipes BMW 135i 08+

The Premier downpipes for the BMW 135i/335is N54 motor are available now. As any turbo car owner knows, offroad downpipes usually yield the largest gains in power for a bolt on product. Other than a Tune/flash, downpipes can NET you 2X or even 3X more power than an intake or catback exhaust system. Riss Racings 3" Offroad Catless downpipes improve your twin turbos flow by reducing back pressure and increasing power to an UNCANNY 330HP and 350TQ rocket. Constructed of 100% 304 Stainless Steel, this is the top quality grade Offroad downpipes available on the market. Installation is able to be done with a novice mechanic. Riss Racing techs can also help with the process during installation! * Now included with every purchase, Riss Racing 2.5" downpipe gaskets.

Available in Polished and Black Stealth Ceramic Coating! Please select below.

Dyno shows results of an 135i with Riss Racing Catback Exhaust and Catless Downpipes. (catback sold seperately).