Stifflers is a US based manufacturing company that combines its passion for performance with their love of innovation. They produce high quality Mustang and Ford Lightning suspension components. Their staff is comprised of degreed engineers that have years of product design experience. Buy purchasing a Stifflers suspension part you guarantee an increase in your Mustang's handling and structural rigidity. They offer everything from panhard bars, strut tower braces and unique items like their Fully Integrated Fit system. In addition to suspension components, StangMods stocks all of Stiffler's brake and drivetrain parts for the Mustang and Ford Lightning. Enjoy free, factory direct shipping on every Stiffler's part!