MRT is always looking for ways to give Ford and GM vehicles a high-performance feel to complement the MRT premium exhaust sound. The SCT performance programmer is a great way to awaken your engine with a personalized tune of your choice. These programmers come with pre-loaded, dyno proven tune files that are easy to transfer to your car or truck through easy-to-use functionality. Pair an MRT cat-back, an MRT axle-back and/or a MRT resonator delete with an SCT tuner for an awesome muscle car sound and a simple modification to add a Powertrain tune.