Description
The Active Autowerke N20 Downpipe is engineered to maximize the potential of the turbocharged BMW N20 engine, offering increased performance and quicker turbo spool for the F-Chassis 228i, 328i, and 428i. This high-performance downpipe includes a 4" ultra high-flow GESI catalytic converter designed to improve exhaust flow and reduce back pressure without triggering a check engine light (CEL).
Crafted from durable 304 stainless steel with a 3.5" piping diameter, this downpipe provides increased power and better turbo response by minimizing the restrictions caused by the OEM downpipe. The GESI HO-Series Gen 2 catalytic converters ensure compliance with EPA regulations in 49 states and are OBD2 compliant, making them ideal for daily drivers and performance enthusiasts alike.
Key Features:
- Prevents CEL for catalytic efficiency
- 4" GESI high-flow catalytic converter with 3.5" piping for optimal exhaust flow
- Quicker turbo spool for improved power and throttle response
- Rated for engines between 350 and 500 horsepower
- TIG-welded 304 stainless steel construction for maximum durability
- Bolt-on installation with no cutting or welding required
- EPA-compliant for OBD2 vehicles (1996 and newer) except in California
- Can withstand temperatures up to 1500°F
- Designed for both durability and easy installation
- 5-year/50,000-mile warranty on the shell and tube ends; 2-year/25,000-mile warranty on the catalytic core (warranty void with excessive exhaust burble)
- Made in Miami, Florida
Fitment:
- BMW F22 M228i (2014-2016)
- BMW F30 328i (2012-2015)
- BMW F32 428i (2014-2016)
Note: This downpipe is not compatible with the N26 engine and is not legal for use on vehicles registered in California.
