The Power Products 16.5" Resonator is the perfect solution for tight spaces or customized installations. This resonator is designed to fit a variety of exhaust systems and piping configurations, helping to reduce the noise and vibration produced by the engine or exhaust system. Also gain improved performance of the exhaust system by reducing back pressure. This resonator is easy to install and fits in tight spaces. FleetPride is your First Click in Heavy Duty®.