FEATURES & BENEFITS
•The world's only complete 4.5" Muffler Softail performance system
•Optimal horsepower & full range torque gains
•2.5" O.D. full-length, 1-piece 220 degree heavy duty 16 gauge heat shields
•Race version exhausts have 2-step baffle from 2.5" to 3" for optimum performance and Deep Throaty sound, with optional quiet baffles
•O2 ports & plugs provided for early models
•Complete with mounting hardware and brackets
•All 2021 and later European models (Euro 5) require eliminators ZPN 744444 for the rear O2 sensor and digital tuning with Diag4Bike or similar to disable related CEL (Check Engine Light) and DTC's (Digital Trouble Code)

Note: Except where mentioned differently, all exhaust systems, mufflers, drag-pipes, etc. shown in our catalog, are for closed course competition or in show competition only. They will not meet legal noise and emission standards.