Dinan Valved Catback Exhaust - Black Tips - BMW G01 X3 M40i / G02 X4 M40i G21 330e Lighter and stiffer than fiberglass

Lighter and stiffer than fiberglass or wet-lay alternatives

Z4 (E85/E86) 2

Designed to seamlessly integrate with various aerodynamic packages on the market these bumper trims elevate your BMW's aesthetic

owners can tailor the diffuser to match their preferred styling direction

Dinan Valved Catback Exhaust - Black Tips - BMW G01 X3 M40i / G02 X4 M40i G21 330e Lighter and stiffer than fiberglassWhile looks are important, the auditory advantages are what any enthusiast is truly after with an exhaust system, and the Dinan offering for the G01 G02 M40i platform delivers in spades. For not only aural enhancement via the elimination of the central collector resonator, but also weight savings and simplicity. The stock single to dual pipe setup has been abandoned in favor of an enlarged, straight, unrestricted, and freer flowing single pipe system.