Get more power and better exhaust flow with this BMW F30 N20 catless downpipe, designed for the 2011–2016 328xi, 328i, and 320i models (F30, F31, F34). Built from high-quality T304 stainless steel, this downpipe removes the factory catalytic converter to reduce back pressure and support better turbo response. It’s a direct bolt-on for OEM or aftermarket turbos using stock exhaust systems.
With TIG welding for long-lasting strength and a 3.8" ID to 4.6" OD V-band connection, this BMW F30 320i downpipe supports gains of up to 15HP and 25TQ. Includes two O2 sensor bungs for factory sensor fitment. Gasket and bolts are not included.
Specifications:
- Material: T304 Stainless Steel
- Welds: TIG Welded
- Fitment: Direct bolt-on
- HP Gain: Up to 15HP
- Torque Gain: Up to 25TQ
- Sensor Ports: 2x O2 Bungs
- V-Band Size: 3.8" ID / 4.6" OD