Quarter panel extensions and trim help complete the transition from the body to the rear of your Mustang. Whether you are replacing damaged pieces, correcting poor alignment, or finishing a full restoration, the right 1965–73 Ford Mustang components can help restore clean body lines, proper fit, and a factory-style appearance. Built for classic Mustang owners who value accurate details and a well-finished exterior, this collection helps bring the rear quarters together the way they should.