Cobra 4-1/2" PowrFlo RPT 2-into-1 Exhaust Chrome 6450 Elegant in design with seamless 2.5-inch heat shields on the head pipes and a beautiful 2.75-inch collector shield 4.5-inch PowrFlo muffler produces a deep, distortion-free thunder because of the partnership of the 3-inch stepped core and proprietary sound tuning materials that surround the core Acoustical engineering developments allow an incredibly deep sound because of intense, class-leading resonance absorption and prevention 4.5-inch Race Pro tip is finished in satin black, held in place with seven, 12-point zinc plated bolts Feature dual oxygen sensor bungs