Evolve Catless Turbo Downpipes - BMW 1 Series 135i | 1M | 3 Series 335i N54 M2 Competition between 15-20hp on a stock

between 15-20hp on a stock vehicle is available above 5000rpm

Sharper throttle response and drivability

This sporty elegance makes this Bavarian machine stand out from the rest and offers the taste of a more powerful version

LOWERS 30mm All Round

These link pipes feature larger-than-stock-diameter tubing and cast titanium flanges

Evolve Catless Turbo Downpipes - BMW 1 Series 135i | 1M | 3 Series 335i N54 M2 Competition between 15-20hp on a stockNOT ROAD LEGAL Evolve 3" catless turbo downpipes for the N54 1M 135i 335i in T301 Stainless steel. By eliminating the restrictive catalytic converters in the factory downpipes, back pressure is reduced significantly which results in faster spool, an increase in power & a more aggressive exhaust note. Features T301 Stainless Steel 3" Downpipe design with 2. 5" flange Gaskets and new bolts provided Fits both RHD and LHD Adds approx 10 BHP & 10 lb. ft