Our GPF-Back for the BMW M4 G82 is based on a dual pipe design using H-Pipe. The exhaust is equipped with valves that work with the stock control. There are two versions of the tips: polished silver (standard), satin black (extra charge). Installation requires cutting stock exhaust.

Technical data:
Diameter: 2 x 2.75″
Material: T304L stainless steel
Valves: 2 pcs.
Plug&play installation: cutting needed

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