The Power Products Standard Type 1 Muffler keeps you Ready for the Road Ahead , as a quality 10-inch round muffler. This Power Products muffler is comprised of internal components to reflect sound waves, effectively dissipating loud engine sounds. Signs and symptoms of a bad muffler are noisy truck exhaust. Gain the performance you need for your truck's engine by equipping your vehicle's exhaust system with the Power Products aftermarket muffler replacement. FleetPride is your First Click in Heavy Duty .