Active Autowerke BMW F80 M3 & F82/F83 M4 Gen 2 Equal Length Midpipe Select Version:Resonated BMW F32/F36 430I (2014+

BMW F32/F36 430I (2014+

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Eventuri N55 Replacement performance panel filter

The single-pipe design eliminates cheap “weed-eater” sound from factory exhaust

Active Autowerke BMW F80 M3 & F82/F83 M4 Gen 2 Equal Length Midpipe Select Version:Resonated BMW F32/F36 430I (2014+The Active Autowerke Gen 2 Equal Length Midpipe for the BMW F80 M3 and BMW F82 F83 M4 is the result of years of in depth research and development aimed at solving one of the most commonly criticised aspects of the S55 engine its exhaust tone. Unlike conventional crossover or X pipe designs, this patented system corrects the unequal exhaust pulse timing created by the factory downpipe length difference, delivering a smoother, deeper and more natural