Active Autowerke X3M / X4M Signature Equal Length midpipe level 2 Upon analyzing the F8X exhaust

Upon analyzing the F8X exhaust

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

Unlike multi-layer gauze filters which can fray and release fiber particles into your engine

Maryland area to help launch this supercharger system

Active Autowerke X3M / X4M Signature Equal Length midpipe level 2 Upon analyzing the F8X exhaustAfter 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