aFe Twisted Steel Down Pipe Header RACE ONLY SS-304 12-16 BMW 328/428i L4 2.0L (t) N20

aFe Power

afe48-46303-HN
  • $503.50
  • Save $26.50


Product Introduction

  • These down-pipes are designed as a "Race" version for added performance and a more aggressive sound.

Features and Benefits Of This Product

  • In testing, the down-pipes produced a max gain of +13 horsepower and +29 ft. lbs. of torque verified by our in house dyno.
  • The down-pipe mount directly to factory mounting locations and includes hardware for a hassle-free installation.
  • A unique 4" tapered design is used to increase exhaust velocity and increase usable torque.
  • This means more aggressive throttle response and increased passing power.
  • Machined, factory style flanges are used for a secure leak-free seal.
  • 100% TIG-Welded by certified craftsmen for race proven strength and durability.
  • TIG-Welding provides the strongest welds reducing stress cracks.
  • This down-pipe are constructed of 4" mandrel-bent, brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking.

This Product 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 328i/ix (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

Notes / Warnings

  • This is a "Race Only" product used solely for competition.
  • Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization.
  • Any other use including recreational off-road use could be in violation of local, state and federal laws.
  • This system is not currently CARB exempt and is not available for sale in California or for use on any vehicle registered with the California Department of Motor Vehicle.

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