Active Autowerke X3M / X4M Signature Equal Length midpipe level 2 This simply wasn't possible with

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

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

Upon analyzing the F8X exhaust

detailed remapping to the entire DME we have been able to increase your S54's output by 14 HP and 11 ft lbs of torque on a stock BMW E46 M3 with factory settings for a normal street car

Active Autowerke X3M / X4M Signature Equal Length midpipe level 2 This simply wasn't possible withAfter 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