4in. Grand National Slip-On Muffler – Black with Black End Cap. Fits Street 2015-2020.

Product Details







Features & Benefits:-* 10.5% more horsepower & 19.8% more torque, with Stealth Air Cleaner Kit.* Race inspired Grand National end cap.* Deeper exhaust note.* Stainless steel perforated baffle & high performance packing.* Black ceramic finish matches stock header pipe.* Includes removable dB Reducer.* J2825 compliant.Tech Tips:-* Fuel Mixture Calibration is Advised.Proudly Made in the USA by S&S Cycle !
MFR PART No: 550-0703

ROLLIES PART No: SS550-0703






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