Finally the wait is over for the aFe Power Cat-Delete Race Downpipes for the 1-series and 3-series BMW's with the N54 twin turbo motor. The 335i and 135i come very detuned from the factory using a very restrictive exhaust system.
Adding a set of aFe Power Cat-Delete Race Downpipes eliminate the catalytic converters for maximum exhaust flow and power! aFe dyno tested these downpipes, giving the N54 motor an increase of 28hp and 28lbs. x ft. torque over the factory down tubes.
These aFe high performance downpipes are made from only using top of the line materials. Using lightweight, TIG-welded 2-3/4" brushed finish 304 stainless steel and use thick 3/8" 304 stainless steel flanges, giving you a leak-free seal and a factory fit. Take your 135i or 335i to the next level in performance with a set of aFe Power Cat-Delete Race Downpipes.
Increase of 28hp and 28lbs. x ft. torque
304 stainless steel
Stainless steel flanges
2008-2010 E82/E88 135i
2007-2010 E90/E92/E93 335i
2011 E92/E93 335is
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