Active Autowerke F8X BMW M3 & M4 EQUAL LENGTH MID PIPE (PATENT PENDING IN US, UK AND EU) INCLUDES ACTIVE F-BRACE

Active Autowerks has been an industry leader in engineering high quality BMW performance products for over 39 years. Dedicated to improving enjoyment of your driving machine with the highest quality products, Active Autowerke has been recognized as the leading BMW innovator. Our philosophy on developing refined BMW performance parts and making  them available to the larger BMW community is highlighted by our most recent R&D program focused on improving the sound of the S55 exhaust. This R&D has resulted in the development of the Active Autowerke F80 M3 and F82 M4 equal length mid-pipe (patent pending) – the other option to our world famous F8X single mid-pipe.   WE ARE RECOMMENDING TO OWNERS OF CARS WITH STOCK CATTED DOWNPIPES TO USE THE NON-RESONATED VERSION UNLESS THEY LIKE A LOUD EXHAUST.   SALE PRICE $1,499 WITHOUT RESONATORS - $1,699 WITH RESONATORS, Plus Shipping $50  An inline 6 engine naturally has an evenly spaced exhaust pulse which results in a more smooth and full s