GrimmSpeed GrimmSpeed 2015+ Mustang GT350/GT350R Exhaust Valve Defeat Module MSRP: Was: Now: $49.00 Add to Cart
GrimmSpeed GrimmSpeed 2015+ Mustang GT350/GT350R Exhaust Valve Defeat Module Love the raw sound of your car in sport mode, and want it 24/7? Have an aftermarket exhaust that doesn’t utilize the exhaust valve? Have you disconnected your exhaust valve actuators and now you... MSRP: Was: Now: $49.00 Add to Cart
