RE: Forge Motorsport Replacement Diverter Valve
that jetta was also chipped (APR) done at Hartman motorsports here at the OC,though service people knew it was chipped,they did not give me any problems,they even replaced a burned out MAS sensor,under waranty caused by K&N air filter oil sticking to the MAS wires,i guess it depends on the dealership service persona
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