ATS Performance

Unleash & Enhance Your Cadillac ATS with Ultra Premium Performance Parts. Explore a Selection of Expertly Chosen Performance Upgrades at Refined Performance USA! Featuring performance air intakes, exhausts, downpipes, suspension components, braking parts, filters & more!

With a dedication to the Cadillac Brand & more than 40 years of combined competition level motorsport experience— Refined Performance USA is here to bring you ultra premium products with premiere customer service for your Cadillac ATS!