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Do you want to increase your charm by using quality accessories
We believe our rear exhaust combined with our mid-pipe offers the deepest sound and best performance of any other system on the market today
The GESi G-Sport High Output Catalytic Converter features full 304 stainless steel construction
Worn all together
growl a car of its caliber should have had from the factory
Active Autowerke Gen 2 Equal Length Mid Pipe - BMW / F8X / M3 / M4 BMW Z Series E85 (2003-2008) Z4 3.0si Do you want to increaseAfter 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. GEN 2 replaces the existing F80 M3 and M4 EL midpipe which is no longer available for sale,
