Supersprint Downpipe With Metallic Catalytic Converter (100CPSI) WRC - BMW 1 Series F20/F21 M140I | 2 Series F22/F23 M240I | 3 Series F30/F31 340I 5 Series (F10 / F11) They are available in matte

They are available in matte black

track oil temperatures (limp mode) when testing with the upgraded CSF cooler on the vehicle versus the OEM cooler

5" to join the front pipes gaining up to 35 BHP and 51 lb

This component drastically reduces the back pressure after the turbocharger

It also ensures an absolute road safety and the respect of the most recent street standards

Supersprint Downpipe With Metallic Catalytic Converter (100CPSI) WRC - BMW 1 Series F20/F21 M140I | 2 Series F22/F23 M240I | 3 Series F30/F31 340I 5 Series (F10 / F11) They are available in matteNOT 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 100 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