4-1/2 PowrFlo Slip On Mufflers Chrome

4.5" body tapers to 4-inch round at the front_x000D_ 4.5" machined aluminum thin-line tip_x000D_ 3" high-flow core for superior performance_x000D_ Acoustical engineering developments allow an incredibly deep sound because of intense class-leading resonance absorption and prevention_x000D_ Uses proprietary materials with specific acoustical dampening and thermal insulation properties_x000D_ The frequency and location of the perforation patterns in the cores creates significant sound scattering in the mid frequencies which helps to enhance the low frequency tones_x000D_ Made in the USA with a manufacturer's limited lifetime warranty_x000D_