Active Autowerke X3M / X4M Signature Equal Length midpipe level 2 Maryland area to help launch

Maryland area to help launch this supercharger system

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

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

M235i and M2 owners experience even running with the factory BMW boost

Active Autowerke X3M / X4M Signature Equal Length midpipe level 2 Maryland area to help launchAfter 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