Active Autowerke X3M / X4M Signature Equal Length midpipe level 2 exhaust gases exit the turbochargers

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

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

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

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

Maryland area to help launch this supercharger system

Active Autowerke X3M / X4M Signature Equal Length midpipe level 2 exhaust gases exit the turbochargersAfter 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