Active Autowerke X3M / X4M Signature Equal Length midpipe level 2 The Active Autowerke race only

The Active Autowerke race only exhaust system is constructed of 100% 304 brushed stainless steel and has a industry standard warranty against rust

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

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

Very useful tool if one requires any additional software upgrades or revisions that may be needed in the near future

This simply wasn't possible with the G5 or SIMON 3 as it proved too costly for our consumers

Active Autowerke X3M / X4M Signature Equal Length midpipe level 2 The Active Autowerke race onlyAfter 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