KHROME WERKS 1800-2626 201775 2-into-1 Exhaust System with Three-Step Headers - Eclipse®Features 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