Khrome Werks HP-Plus Touring Muffler Tapered 202285 3in. and 3.5in. Touring Lite line of mufflers has been completely redesigned, retaining the great performance and quality sound New features include 16-gauge one-piece shells, upgraded baffle design, bolt and nut baffle installation, and upgraded acoustical wrap materials One-piece chrome shell eliminates possibility of leaks and transition screws loosening or stripping Redesigned baffle is machined-wrapped with a laminated muffler packing consisting of a thin layer of stainless steel under high temperature basalt wool installed with 1/4in.-20 bolts and nutsan improvement over the #10 screws Stainless steel packing insures long life for high-frequency absorptive basalt wool