![Dinan High Flow Middle Exhaust | G30 M550i | 4.4L Turbo V8 [N63] 8V A3 2.0L Turbo I4 Dinan: 637 CFM @ 28](https://cdn.shopify.com/s/files/1/0635/0032/1015/files/DinanHighFlowMiddleExhaustG30M550i4.4LTurboV8_N63.png?v=1740242577)
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Dinan: 637 CFM @ 28" H2O per bank)
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Zinc plating to combat corrosion
IE uses a two-piece heat shield which performs and looks great
Dinan High Flow Middle Exhaust | G30 M550i | 4.4L Turbo V8 [N63] 8V A3 2.0L Turbo I4 Dinan: 637 CFM @ 28"The Dinan Middle Exhaust for the G30 M550i introduces a more aggressive tone and an increase in volume over the stock system. Coupled with the associated Dinan exhaust, the sound is further enhanced into a smoother, fuller and more aggressive growl that is becoming of the V8 powered sedan. This full mid section kit removes the hydro formed factory center section, including the resonator, and replaces it with larger 3" T304 stainless steel tubing for
