Active Autowerke - Catted Downpipe || B46 (G2X)

Please note that we install the gasket into the downpipe flange as some customers were damaging the gasket on installation. Active Autowerke BMW B46 Catted Downpipe BMW introduced a new valve-tronic, single turbo version of its direct-injection engine for the later F-Chassis models beginning in 2016 and continuing into the G-chassis models. The Active Autowerke B46 downpipe for the 230i, 330i and 430 helps unleash some of the potential that is restricted by the OEM downpipe. NOTE: the cutoff build date of 08/2020 is important as cars produced after that date have a downpipe with different bracket locations. Cars with build date of 08/2020 and earlier have the brackets in a V configuration while cars with a build date of 09/2020 and later have the brackets in a straight line. Turbochargers are powered by spent exhaust gases created during the combustion process. The quicker these gases are evacuated, the better. Unfortunately, the factory down pipe in the B46 is quite restrictive, which