HF-Series Enlarged Turbo Inlet Kit For Audi RS6 RS7 S6 S7 C7 4.0 TFSI By HG Motorsport. Audi RS7 quattro 4G/C7 412kW (560HP) CRDB, CWUB. Audi RS7 Performance quattro 4G/C7 445kW (605HP) CWUC. For S6 and S7 the conversion to the RS6/RS7 air filter box incl.
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