Supersprint Turbo Downpipe With De-Cat - BMW 1 Series F20/F21 M140I | 2 Series F22/F23 M240I | 3 Series F30/F31 340I F80 Cat-back sport exhaust system

Cat-back sport exhaust system

The drivability is enhanced with excellent on road manners

The software upgrade for the 3 Series E90/E91/E92/E93 325d was designed and tested at our dyno facility and on road to give optimal performance with maximum safety

Once activated

Various elements such as ignition timing

Supersprint Turbo Downpipe With De-Cat - BMW 1 Series F20/F21 M140I | 2 Series F22/F23 M240I | 3 Series F30/F31 340I F80 Cat-back sport exhaust systemNOT ROAD LEGAL As an alternative to the "road" catted version (987311) Supersprint also offers a de cat option, for track use. This component drastically reduces the back pressure after the turbocharger, with beneficial effects on the temperatures and the gas flow. The absence of the catalytic converter requires the modification of the electronic management to avoid warning lights on the dashboard (CEL). All the characteristics of the 987311 (easy