2-into-1 System with Three-Step Headers / M8 Bagger

Designed to increase horsepower and torque while providing an aggressive, low-frequency sound level 1-3/4" to 1-7/8" to 2" high-low, 16 gauge, stepped primary headers with a 2-1/2" collector 4-1/2" diameter, 16 gauge HP-Plus® muffler with 2-1/2" inlet Removable 1-1/2" absorptive baffle with 3" reverse cone outlet to maximize torque; baffle is wrapped in stainless steel wool and high temperature fiberglass for a rich mellow tone 2-1/2", 220°, 16 gauge heat shields 18mm and 12mm O2 bungs welded into the primaries Includes OEM-style muffler clamp and mounting hardware Made in the U.S.A.