EL DORADO EXHAUST SYSTEM for 2009–2016 TOURING MODELS–Black with Black Highlight Machined Tracer End CapFeatures and Benefits Improved power and torque Guardian Black heat shields and muffler bodies 4. 5" Tuxedo Black Highlight Machined Tracer end caps Deep bass rumble throughout the RPM range Stainless steel header construction Includes adapters for OE or wide band O2 sensors O2 sensor location same as stock High Flow Cats increase exhaust flow for optimum torque Catalysts located in mufflers moves heat away from rider