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and S55 engines
The mesh is double-layered and is dry
Progressive design for comfort at low speeds and control under load
With the intake size and shape restricted by the OEM trunk panel
Dinan 18-23 BMW M550i xDrive (G30) High Flow Middle Exhaust - 3in - Stainless Steel E46 M3 CSL and S55 enginesThis 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 freer flowing capabilities. In place of the factory resonator, Dinan incorporates a beautifully crafted X pipe made from mandrel bent tubing for minimum restriction, unlike stamped X pipes which are commonplace in the market. This sophisticated 'X' is not only the focal point of the system