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We also recorded an average increase of 11 whp and 8 wtq during our testing with peak gains of up to 31 whp and 10 wtq
Our downpipes essentially followed the same exhaust flow path with a few small modifications to make airflow smoother and installation easier
Larger diameter piping for increased flow (76mm vs 70mm)
Horsepower Supported 100% E85: 550 WHP
Active Autowerke BMW G2X B58 M340i M440i GESI Catted Downpipe F8x chargepipes We also recorded an averageActive Autowerke BMW B58 Catted Downpipe now includes turbo flange gasket SHIPPING NOW. Please note that we install the gasket into the downpipe flange as some customers were damaging the gasket on installation. BMW introduced a new valvet ronic, single turbo version of its direct injection engine for the later F Chassis models beginning in 2016 and carried over to the G chassis models. The Active Autowerke B58 downpipe for the M340i and M440i helps
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