In testing, the down-pipes produced a max gain of +13 horsepower and +29 ft. lbs. of torque verified by our in house dyno *(Dyno results are from P/N: 48-46303-HN)
High Flow Catalytic Converter:
This down-pipe utilize a 400 CPSI (cell per square inch) catalytic converters for maximum flow.
Factory Mounting Locations:
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.
Factory Style Connections:
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.
Brushed 304 SS Construction:
This down-pipe are constructed of 4" mandrel-bent, brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking.
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
This is a Race Only product that is to be used solely for competition, it cannot be used on vehicles that are operated on public streets, roads or highways. 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. To complete the purchase of this item, aFe Power competition acknowledgement/liability release form must be filled out and submitted.
aFe down-pipes are engineered and manufactured in our Corona, California manufacturing facility.
Year Make Model SubModel Engine Fuel 2012-2016 BMW 228i (F22/F23) Turbo N20 L4 2.0L Gas 2012-2016 BMW 228ix xDrive (F22/F23) Turbo N20 L4 2.0L Gas 2013-2016 BMW 320i (F30/F31) Turbo N20 (Also fits LCI models) L4 2.0L Gas 2013-2016 BMW 320ix xDrive (F30/F31) Turbo N20 (Also fits LCI models) L4 2.0L Gas 2011-2015 BMW 328i (F30/F31) Turbo N20 L4 2.0L Gas 2011-2015 BMW 328ix xDrive (F30/F31) Turbo N20 L4 2.0L Gas 2014-2016 BMW 428i (F32/F33) Turbo N20 L4 2.0L Gas 2014-2016 BMW 428ix xDrive (F32/F33) Turbo N20 L4 2.0L Gas
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