Kerker 147-78226 Stout 4" Slip-On Muffler with Black Finish

Description

Massive 4" non-tunable chrome or black ceramic bodies. Streamlined, internal tapered, billet aluminum end caps with recessed fasteners are preinstalled. Newly-designed inlets flow better into OEM headpipe as well as SuperTrapp True Dual Headpipes. Provide a bold, strong power curve from mid-range on up with a significant horsepower and torque gain over stock mufflers. Classic deep and heavy Kerker rumble is 5 dB over stock. Sold in pairs. Made in the U.S.A..