SuperTrapp Kerker 4in. Stout Slip-Ons Black - 147-78226

• Massive 4in. 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 heavy, broad spread power curve with horsepower and torque gains over stock mufflers
• Classic deep and heavy Kerker rumble is 5 dB over stock
• Sold in pairs
• Made in the U.S.A.

Instructions