Muscle Tuner Auto is a Los Angeles performance shop with over 18 years of experience specializing in aftermarket upgrades and professional installation for muscle cars, tuner cars, and classics. We specialize in performance parts installation, custom exhaust, suspension upgrades, brake upgrades, supercharger installation, LED lighting, and aftermarket accessories, including custom fitment and specialty solutions. With experience working with many of the industry’s leading performance brands and a wide range of vehicle platforms, we focus on clean workmanship, attention to detail, and quality results built for enthusiasts.