Seller notes

Got a check engine light from installing an aftermarket exhaust that doesn't have AFM / NPP (Air Fuel Management) simulators to trick the factory valves? This is the solution! These AFM / NPP valve simulators are plug and play with the factory valve harness and are easy to zip tie out of the way. Once plugged in, the C8’s ECU is none the wiser that it has an aftermarket cat-back exhaust attached and will not throw a CEL for AFM / NPP valve malfunction. AFM modules are needed for almost every C...

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