DINAN FREE FLOW AXLE-BACK EXHAUST - BMW 2007-2013 BMW 335I/335IS/335XI contact-required Dinan's calibrations are safe and

Dinan's calibrations are safe and reliable without sacrificing long-term reliability or performance

Factory matching warranty coverage (4year / 50

+ 5 LB-FT @ 6600 RPM

while giving the most performance

DINAN FREE FLOW AXLE-BACK EXHAUST - BMW 2007-2013 BMW 335I/335IS/335XI contact-required Dinan's calibrations are safe andDinan's free flow Axle Back exhaust for the 335i Coupe and Convertible improves exhaust flow by reducing back pressure, resulting in increased power output and a great sporty sound that is civilized when you want it to be and pleasantly aggressive under harder acceleration. 100% stainless steel construction and exacting specifications ensure that the system fits correctly using the factory hangers and will resist corrosion for years to come. The