Crownd Auto in Glendora specializes in high performance muffler installation. We carry all major brands (including Flowmaster Performance Exhaust Systems and Mufflers, Magnaflow Performance Mufflers, Carven Exhaust Performance Mufflers, Borla Performance Mufflers, Jones Exhaust Systems, and more). More importantly we allow for you to sound test individual mufflers to find that perfect sound. Our expert techs are up-to-date with the latest industry products, trends, and will suggest a selection of mufflers to complement your specific vehicle (muscle car, import tuner, truck, etc). Crownd Auto works on all vehicles Ford, Dodge, Chevrolet, Honda, Toyota, Mercedes, Land Rover, and More… We specialize in aftermarket mufflers which allows for expert installation at a low price. Most repairs can be done in under an hour. We also repair stock and aftermarket mufflers What are you waiting for get your free quote today! (626) 665-0974