Active Autowerke S63 AFlow F10 Catted Downpipes | V8 BMW M5 M6 523 Don't discard your old GREEN

Don't discard your old GREEN filter

these F8X catted downpipes are a true testament to our outlook on creating innovative products with performance in mind

Double-walled 90 mm signature stainless steel tips

This brings our expertise with a single mid-pipe from the F8X M cars to the G8X M cars and is an alternative to our equal length X-Pipe Mid-pipe for the G8X

Active Autowerke S63 AFlow F10 Catted Downpipes | V8 BMW M5 M6 523 Don't discard your old GREENNO PERFORMANCE TUNE NEEDED. Active Autowerke is proud to bring you our hand made Signature S63 N63 Downpipes for the twin turbo V8 BMW M5, M6 models. These downpipes are for the F10 model M5 and M6 V8 cars only. A turbo impeller wheel speed is mostly limited by the exhaust back pressure within the system. If one could eliminate some or most of this exhaust back pressure, the turbo will spool that much faster and effortlessly resulting in quicker