UMI Performance is a U.S.-based aftermarket manufacturer specializing in high-quality suspension, chassis, and handling components for classic American muscle cars, modern performance vehicles, and select truck platforms. Founded in 2003 and headquartered in Philipsburg, Pennsylvania, UMI designs, engineers, and manufactures all of its products in-house using American steel, precision machining, and race-proven development processes.

This collection features UMI Performance sway bars, control arms, K-members, torque arm kits, panhard bars, suspension hardware, and complete handling packages designed to improve cornering stability, reduce body roll, enhance suspension geometry, and increase overall driver confidence. With extensive real-world validation at UMI Motorsports Park and a dedicated race shop supporting autocross and competitive driving, UMI Performance parts deliver bolt-on fitment, durable construction, and performance-focused tuning for street, strip, and track-driven vehicles.