SuperTrapp Stout 4-Inch Slip-Ons have larger, black ceramic bodies and are available for 19952012 FLH/FLT models. These non disc-based, massive 4-inch Slip-Ons allow riders to make a bold statement with their newly developed core. The streamlined, internal tapered, black ceramic-coated, contrast cut end cap with recessed fasteners comes pre-installed. Optional replacement end caps are available for an even more stylized look. The newly shaped inlets flow better into the OEM head pipe as well as SuperTrapp True Dual Head Pipes. The SuperTrapp Stouts’ tapered core is minimally louder than stock for 201012 FLH models. SuperTrapp Stout Slip-Ons provide a bolt-on heavy, broad spread power curve right from idle with a 9.3 hp and 10.5 torque gain over stock. Also available in chrome.