Tracy's Old Castle Muffler Shop Inc, conveniently located in Marlette, MI, has been the community's trusted provider of top-quality mufflers and exhaust systems since 1981. With over four decades of experience, we specialize in repairs, replacements, and custom exhaust solutions to ensure your vehicle runs smoothly and efficiently. Our commitment to exceptional service and customer satisfaction has made us a cornerstone in the Marlette automotive scene. Visit us for all your muffler and exhaust needs and experience the difference that expertise and dedication make.