N63: Active Autowerke | F10 N63 550 Exhaust and Downpipes -Dyno results-

BB members,

We recently had the chance to install our Active Autowerke 4.4 Downpipes and new prototype Exhaust system on a very happy customers car.

Below is a Dyno of Our Downpipes and Exhaust only (NO TUNE).

Attached Images