Description
Unlock the hidden performance of your BMW N55 engine with the Active Autowerke Signature Downpipe. Designed for the F3X M235i, 335i, 435i, and F87 M2 models, this downpipe features a 4.5" GESI high-flow catalytic converter and 3.5" stainless steel piping, reducing the restrictive nature of the OEM downpipe. With this upgrade, turbo spool time is faster, exhaust gases are evacuated quicker, and back pressure is minimized, resulting in more horsepower and torque without triggering a CEL.
The GESi G-Sport Ultra High Output Catalytic Converter ensures emissions compliance in 49 states while maintaining a high-flow capacity, making it ideal for performance upgrades. This product is designed to withstand extreme temperatures and high-horsepower applications while maintaining reliability and emissions compliance.
Key Features:
- Fits all F-Chassis N55 cars from 09/2013 up
- No CEL for catalytic efficiency when using this downpipe
- 4.50" GESI high-flow catalytic converter with 3.50" piping
- Quicker turbo spool with improved power output
- Rated for 500-850 HP applications
- Withstands temperatures up to 1500°F
- EPA compliant for OBD2 vehicles (except in California)
- Full 304 stainless steel construction with TIG welding
- 400 cell per square inch catalyst
- Bolt-on installation, no cutting or welding required
- Covered by a 5-year/50,000-mile warranty on shell and tube ends, 2-year/25,000-mile warranty on the catalytic core (with conditions)
Benefits: The Active Autowerke N55 Signature Downpipe significantly reduces back pressure and improves turbo efficiency, allowing your engine to spool faster and produce more power. Constructed from high-quality stainless steel, it offers durability and reliability for daily driving while delivering noticeable performance gains. This downpipe is easy to install, fitting into the OEM location with minimal effort, making it an ideal upgrade for any N55 owner looking for an affordable and effective performance boost.
Fitment:
- BMW F22 M235i (2014+)
- BMW F30 335i (2012+)
- BMW F32 435i (2014+)
- BMW F87 M2 (2016+)
