Monro Muffler originated in 1966 by Charles August, and it was named after Monroe County, New York. With more than 700 stores in the U.S. today, Monro is a trusted automotive service company specializing in muffler and brake repair. It uses only name-brand products such as Monroe, Walker, Moog, Wagner, Valvoline, Champion, Exide and Bridgestone, to name a few. It will review inspections with you, provide a free written estimate before any work is done, and only performs services you approve.