Cobra 4" RPT Slip-On Chrome Mufflers Pipes Exhaust Harley Touring Bagger 17+ M8BRAND NEW PART # 6263 FITS: 2017+ TOURING MODELS Increased horsepower and torque with a deeper, more aggressive exhaust note Welded from mild steel, then bathed in a four step, chrome plating process 4" muffler bodies use cooling chambers with proprietary technology to prevent bluing 4" Race Pro tips are held in place with seven, 12 point zinc plated bolts Louvered core with light fiberglass wrap Made in the U. S. A.