Combat 2-into-1 Exhaust – Black with Black End Cap. Fits Sportster 2004-2021

Product Details Features & Benefits:-* Triple stepped headers 1 .75? to 1.875? to 2.00? * Equipped with a 2 step baffle 2.5? to 3? * System equals five steps throughout for extreme power gains.* Header flows into a mini-cone to create a deep, rich and throaty sound.* System reduces heat concentration by up to 30%.* Full-coverage one-piece heatshields.* Works with 12mm & 18mm O2 Sensor.* Includes mounting hardware.* Engineered for maximum power.< P>Tech Tips:-* Quiet Baffle Available. FPE-AC00222* Fuel Mixture Calibration is Advised.Proudly Made in the USA by Freedom Performance ! MFR PART No: HD00561 ROLLIES PART No: FPE-HD00561