4-1/2in. Mk45 Slip-On Mufflers – Black with Black Thruster End Caps. Fits Touring 2017up.

Product Details Features & Benefits:-* Mk45 Slip-On Mufflers are the result of decades of riding, racing tuning. * Combining both a stainless steel perforated core baffle with RaceTEX cartridge packing.* They create a deep rumble & improved horsepower & torque, all while adding a unique look with styled aluminum end caps.* Includes removable dB Reducer.* J2825 compliant.* Stainless steel baffle with RaceTEX cartridge packing.* High Temperature Ceramic Black Fini sh.* 7 horsepower gain with Stealth Air Cleaner Kit.Tech Tips:-* Does NOT fit 2017up Trike models. The 2017-2020 Trike’s use 1995-2016 fitment Touring mufflers.* In 2021, for International Models, Harley shrunk the header pipe where the mufflers clamp on & added a gasket. If you are running stock header pipes you will need # CG-C10365 (Muffler Gasket Kit). If you have aftermarket headers pipes, these don’t require gaskets.* Fuel Mixture Calibration is Advised.< /P>* Recommened Additional Purchase # PYO-SPAB Straight Pipes Adjustment SystemProudly Made in the USA by S&S Cycle ! MFR PART No: 550-0666 ROLLIES PART No: SS550-0666 Download Product information ( PDF)