Name: Master Muffler Brake Complete Auto Care. Descripton:Master Muffler, Utah’s leader in Murray auto repair offers service such as muffler repair and replacement, brakes, preventive maintenance, engine repair and tune-ups. Contact the Murray location today for a quote. The Murray Master Muffler is one of the most well respected repair shops in Murray. Located near the middle of the Salt Lake Valley, the Murray location gives high quality service with amazing customer care. Call them today and see how they can increase your car or trucks power while also increasing gas mileage.