Improved power and torque Show quality chrome heatshields 4.5' MK45 Mufflers - Show quality chrome finish with Highlight Machined Tracer end caps O2 sensor location same as stock Includes adapters for wide band O2 sensors Stainless steel header construction Uses Two High Flow Cats to increase exhaust flow while providing just the right amount of back pressure for optimum torque Produces a deep throaty exhaust note throughout the RPM range Relocation of cats to mufflers reduces heat on rider 50-State EPA and CARB compliant: EO# K-010 J2825 Sound Compliant