The modifications to the 2013 Ford Mustang closely resemble those of the 2011 Mustang RTR. The RTR Spec 1 package, available for V-6 or V-8-powered 2013 Mustang models, includes one-inch lower springs ...
1979 Ford Mustang Hooker Headers And FlowTech Cross-Pipe Install - Pipe-Fitting For Power - Tech We Show How The Right Headers And Exhaust Can Be Worth Plenty Of Horsepower And Torque.