Supertrapp 4 inch Stout Slip On Mufflers for Harley Davidson Touring Models '17-Up - Black [sku# 1801-1147]
Massive 4" non-tunable chrome or black ceramic bodies
Streamlined, internal tapered, billet aluminum end caps with recessed fasteners are preinstalled
Inlets flow better into OEM headpipe as well as SuperTrapp True Dual Headpipes
Provide a heavy, broad-spread power curve with horsepower and torque gains over stock mufflers
Minimally (2 dB) louder than stock
Sold in pairs
Made in the U.S.A.