TC N55 downpipe without catalytic converter – for BMW Series 1 (F20/F21), 2 (F22/F23), 3 (F30/F31/F34), 4 (F32/F33/F36) – motor N55

TC downpipe without catalytic converter (decat) for BMW N55 is an upgrade of the first part of the exhaust system, designed for better exhaust gas flow and lower back pressure than the factory downpipe. It is made of stainless steel and is intended mainly for motorsport use.

Technical specifications

• Material: stainless steel
• Diameter at the turbo: 100mm (outside diameter)
• Diameter towards the exhaust: 3″
• Turbo connection: 118mm (connection size)
• Lambda sensor bungs: 2 bungs

Compatibility

• BMW 1 Series F20/F21: M135i (also xDrive), 235–240 kW
• BMW 2 Series F22/F23: M235i 240 kW
• BMW 3 Series F30/F31/F34 GT: 335i (also xDrive), 225–250 kW
• BMW 4 Series F32/F33/F36: 435i (also xDrive), 225–250 kW
• Model year: 07/2013
• Engine code: N55 B30A

Important

• The product is motorsport del and not type-approved for use on public roads.
• After installation it is necessary to adapt the engine software accordingly.
• Before buying we recommend checking the fit by VIN and exhaust system version.