Active Autowerke X3M / X4M Signature Equal Length midpipe level 2 Our Carbon Fiber tips have

Our Carbon Fiber tips have a genuine plain-weave carbon sleeve that is riveted to our black chrome base that provides an elegant

Active Autowerke Supra MKV Signature Catted Downpipe Benefits

Upon analyzing the F8X exhaust

exhaust gases exit the turbochargers more efficiently—helping the turbos spool faster and reducing exhaust backpressure

Up to 100 Ft / LB Rear wheel FT/LBs measured on the dyno

Active Autowerke X3M / X4M Signature Equal Length midpipe level 2 Our Carbon Fiber tips haveAfter extensive research and development, ACTIVE AUTOWERKE has announced GEN 2 of our EL midpipes. We worked with our factories to create specially developed RESONATORS that remove rasp from the exhaust tones with minimal change in the volume of the sound. A side benefit is that this also resulted in a reduction in the "2k buzzing" annoying to some BMW owners as well as a reduction in the cold start rattle from the factory. We are recommending to