Supersprint Downpipe With Metallic Catalytic (200 CPSI) - BMW 1 Series F20/F21 M140I | 2 Series F22/F23 M240I | 3 Series F30/F31 340I M6 Instead of simply jutting straight

Instead of simply jutting straight from the front bumper

The RKP mounts are constructed from billet aluminum

and it gives the rear of the M2 a more aggressive and sporty feel

An ECU Remap is required to remove CEL and provides an additional power gain over and above the test pipes alone

Double layer secondary shield

Supersprint Downpipe With Metallic Catalytic (200 CPSI) - BMW 1 Series F20/F21 M140I | 2 Series F22/F23 M240I | 3 Series F30/F31 340I M6 Instead of simply jutting straightNOT ROAD LEGAL This Supersprint downpipe is designed to be a plug&play upgrade. It replaces the stock components without any modification. O2 sensor plugs and mounting brackets are in the same position as the OEM unit. The catalytic converter is a 200 CPSI unit, with a metallic honeycomb and a high content of noble metals. The shape and volume have been decided for optimal efficiency, thus the generous size. The high amount of noble metals avoid any