For drivers who have opted for the Active Valve Performance Exhaust from the factory, we have created a convenient, attractive, bolt-on bracket to allow the factory-issued valve actuators to remain equipped to keep your GT’s ECU happy. You'll need this to ensure CEL-free operation.. For cars fitted with the optional "Active Valve Performance Exhaust" -- allows for no Check Engine Light. AWE 2018+ Ford Mustang GT Valve Motor Bracket (for Models with Active Valve Performance Exhaust). AWE Valve Motor Bracket for '18-'23 S550 Mustang GT with the Active Valve Performance Exhaust. AWE Valve Motor Bracket for 2018 + Mustang GT with the Active Valve Performance Exhaust. AWE Valve Motor Bracket for '18-'23 Mustang GT with the Active Valve Exhaust. Direct bolt-on system for factory-like simplicity. No Check Engine Light Guarantee. Must be used with AWE exhaust. Perfect fitment, guaranteed. Valve Motor Bracket

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