Active Autowerke F8X BMW M3 & M4 Equal Length Mid Pipe includes Active F - brace (11-055R) 1705 2013-2014 Mercedes CL63 AMG V8-5

2013-2014 Mercedes CL63 AMG V8-5

Reliable and Dependable Chambered Muffler Design

The AWE Track Edition Axle Back Exhaust retains all the engineering and precision of the Touring Edition Exhaust

the filters are serviceable

2011 BMW 335i Base Convertible 3

Active Autowerke F8X BMW M3 & M4 Equal Length Mid Pipe includes Active F - brace (11-055R) 1705 2013-2014 Mercedes CL63 AMG V8-5Active Autowerke, a leader in BMW performance products for over 41 years, brings you the F8X BMW M3 & M4 Equal Length Mid Pipe. Engineered specifically for the F80 M3 and F82 M4, this patented solution (US Patent 11248511, UK and EU patent 3882441) addresses the uneven exhaust pulse timing caused by the S55 engine's unequal downpipe lengths. Corrects the nearly 1. 5 foot length difference between front and rear downpipes Eliminates the characteristic