2005-2019 Mustang S197 & S550 TREMEC Magnum XL Transmission Kits

Transform the shifting experience of your 2005-2019 Mustang with our PerfectFit™ TREMEC Magnum XL Transmission Kits. Specifically designed for the S197 and S550 platforms, the Magnum XL features an extended tailhousing that eliminates the vague feel of factory remote shifters by providing a crisp, direct-to-transmission shift. Engineered to handle massive torque and high-RPM power, this 6-speed overdrive system brings modern durability and precision to your late-model Mustang. Each kit is a total solution, arriving with all the high-quality components required for a seamless installation and a more connected, high-performance driving experience.