BMW F20 F21 F22 F23 F30 F31 M140i M240i 340i Supersprint Downpipe with 100CPSI Metallic Cat

Direct-fit downpipe for BMW F-series turbo petrols: F20, F21, F22, F23, F30 and F31 chassis including M140i, M240i and 340i. Uses a genuine 100CPSI metallic catalytic converter - no CEL lights, no odours, no ceramic fragility.

• Retains factory O2 sensor position, mounting points and flex joint layout
• Reinforced WRC-spec flex joint resists fatigue under repeated engine movement
• Includes threaded O2 bung - ready to install
• Designed for fast road or track day use with stage 1 or stage 2 tuning

Not UK road legal. For off-road, track or race use only.