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AFe 335i / 135i Cat-Delete Race Downpipes

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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
  • TIG-welded
  • 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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