aFe Power Twisted Steel Down Pipe 4 IN 409 Stainless Steel BMW 328i/428i (F30/F32) 12-16 L4-2.0L (t) N20/N26
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Testing:
In testing, the down-pipes produced a max gain of +13 horsepower and +29 ft. lbs. of torque verified by our in house dyno.
Race Version:
These down-pipes are designed as a "Race" version for added performance and a more aggressive sound.
Factory Mounting Locations:
The down-pipe mount directly to factory mounting locations and includes hardware for a hassle-free installation.
Tapered Design:
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.
TIG-Welded:
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.
This system requires an aftermarket electronic module to work properly with the vehicle.
Race Disclaimer:
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.
Features:
- Race version for added performance and a more aggressive sound
- 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
Vehicle Applications:
| Year | Make | Model | SubModel | Engine | Fuel |
| 2014-2016 | BMW | 128i | (F20/F21) N20 Engine, non-US model | L4 2.0L (t) | Gas |
| 2014-2016 | BMW | 128i xDrive | (F20/F21) N20 Engine, non-US model | L4 2.0L (t) | Gas |
| 2014-2016 | BMW | 228i | (F22/F23) N20 Engine | L4 2.0L (t) | Gas |
| 2015-2016 | BMW | 228i xDrive | (F22/F23) N20 Engine | L4 2.0L (t) | Gas |
| 2012-2015 | BMW | 320i | (F30) N20 Engine | L4 2.0L (t) | Gas |
| 2016-2018 | BMW | 320i | (F30) B48 Engine | L4 2.0L (t) | Gas |
| 2013-2015 | BMW | 320i xDrive | (F30) N20 Engine | L4 2.0L (t) | Gas |
| 2016-2018 | BMW | 320i xDrive | (F30) B48 Engine | L4 2.0L (t) | Gas |
| 2012-2016 | BMW | 328i | (F30) N20 Engine | L4 2.0L (t) | Gas |
| 2014-2016 | BMW | 328i GT xDrive | (F34) N20 Engine | L4 2.0L (t) | Gas |
| 2013-2016 | BMW | 328i xDrive | (F30) N20 Engine | L4 2.0L (t) | Gas |
| 2014-2016 | BMW | 328i xDrive | (F31) N20 Engine | L4 2.0L (t) | Gas |
| 2014-2016 | BMW | 420i | (F32/F33) N20 Engine, non-US model | L4 2.0L (t) | Gas |
| 2014-2016 | BMW | 420i Gran Coupe | (F36) N20 Engine, non-US model | L4 2.0L (t) | Gas |
| 2014-2016 | BMW | 428i | (F32/F33) N20 Engine | L4 2.0L (t) | Gas |
| 2014-2016 | BMW | 428i Gran Coupe | (F36) N20 Engine | L4 2.0L (t) | Gas |
| 2014-2016 | BMW | 428i xDrive | (F32/F33) N20 Engine | L4 2.0L (t) | Gas |
| 2014-2016 | BMW | 428i xDrive Gran Coupe | (F36) N20 Engine | L4 2.0L (t) | Gas |
