At Southern Service & Performance (SSP), we’re all about keeping your diesel trucks running stronger, faster, and tougher—just like they were built to be. Based in Columbus, Georgia, we specialize in diesel repair, performance upgrades, and custom builds for Powerstroke, Cummins, and Duramax engines. Whether you’re chasing horsepower gains, solving a repair nightmare, or looking to outfit your ride with top-tier parts, we’ve got you covered.