Magnaflow Active Exhaust Valve kit 2018-2019 Mustang GT vehicleengineyeardescription Ford Mustang5.0L2018Optional: For Use With Exhaust Systems 19368, 19369, 19370, 19418, Or 19419, For Vehicles Equipped With Active ExhaustFord Mustang5.0L2019Optional: For Use With Exhaust Systems 19368, 19369, 19370, 19418, Or 19419, For Vehicles Equipped With Active ExhaustFord Mustang5.0L2020Optional: For Use With Exhaust Systems 19368, 19369, 19370, 19418, Or 19419, For Vehicles Equipped With Active ExhaustFord Mustang5.0L2021Optional: For Use With Exhaust Systems 19368, 19369, 19370, 19418, Or 19419, For Vehicles Equipped With Active ExhaustFord Mustang5.0L2022Optional: For Use With Exhaust Systems 19368, 19369, 19370, 19418, Or 19419, For Vehicles Equipped With Active Exhaust