Downpipe Kit Wagner Tuning for BMW E82 E90 N55 catless

The Downpipe Kit fits to:BMW 135i E82/E88 BMW 335(x)i E90/E91/E92/E93made out of high quality stainless steel cast 1.4301 (SS304)100% perfect fit, replace OEMless thermal load on the turbochargermore power by reducing back pressuresignificantly more torquewithout catalytic converter*ECU will need to be coded to avoid engine management light errors.