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To extract the maximum amount of power from your Active Autowerks exhaust, AA designed the perfect set of matching mid-pipes minimizing restriction and maximizing power gains. Designed specifically for the new BMW F80 and F82 M3/M4, Active Autowerke introduces their most innovative cat-back exhaust system to date. Over 30 years of constant development and refinement in exhaust designs has resulted in this newest addition to the M3/M4 collection.
Active Autowerks F8X mid pipes do more then just maximize power gains, they also improve exhaust tone by eliminating the cheap 'weed-eater' sound factory mid-pipes provide. All while offering quicker turbo spool and less back pressure throughout the exhaust system.
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Active Autowerke High Flow Exhaust F8X M3/M4
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How well does it work? When matched with the AA Exhaust System, performance gains of 18+ peak rear WHP can be expected, with over 30+ LB-FT over stock.
*CAN BE INSTALLED WITH OEM AXLE-BACK MUFFLER SECTION WITH MODIFICATION.

Active Autowerke High Flow Exhaust F8X M3/M4
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