Active Autowerke S63 GESI F10 Catted Downpipes | V8 BMW M5 M6 E82 It provides a more aggressive

It provides a more aggressive and sweeter high revving tone to the stock exhaust

This aftercooler was made for the S55 and crafted using only high-grade aluminum to outperform the factory aftercooler in all situations from everyday driving to the toughest racing

MUSTANG DYNO RESULTS:

This would enhance the airflow and performance

BMW F97 X3M / F98 X4M Rear Exhaust

Active Autowerke S63 GESI F10 Catted Downpipes | V8 BMW M5 M6 E82 It provides a more aggressiveNO 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