aFe POWER Catted Down-Pipe, BMW 328i/428i (F30/F32) N20


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aFe Power


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aFe POWER 400 CPSI Catted Down-Pipe, BMW 328i/428i (F30/F32) N20

If you are looking for the additional performance of a high flow downpipe, but also don't want the bad odour or fall foul of emissions law, then this aFe Power Downpipe is for you. 

Still utilising a 400 CPSI high flow catalytic converter, build in twisted steel this is a high quality product for upgrading your BMW ready for Stage 2 tuning. 

aFe down-pipes are engineered and manufactured in their Corona, California manufacturing facility.

Tested on aFe's in house dyno this down-pipe produced a max gain of +13 horsepower and +39 nm of torque


  • Direct Factory Fit for secure leak free fitment
  • Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
  • Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
  • Machined factory style flanges are used for a secure leak-free seal
  • 100% hand TIG-Welded by certified craftsmen for race proven strength and durability

Also Fits:

  • 2014-2016 BMW 128i/ix (F20/F21) L4-2.0L (turbo) N20
  • 2014-2016 BMW 228i/ix/220i (F22/F23) 14-16 L4-2.0L (turbo) N20
  • 2013-2016 BMW 320i/ix (F30/F31/F34) L4-2.0L (turbo) N20
  • 2012-2016 BMW 328ix (F30) L4-2.0L (turbo) N20
  • 2013-2016 BMW 328i/ix (F31/F34) L4-2.0L (turbo) N20
  • 2014-2016 BMW 420i/ix (F32/F33) L4-2.0L (turbo) N20
  • 2014-2016 BMW 428i/ix (F32/F33/F36) L4-2.0L (turbo) N20