XR-1® Sportsman Racing Muffler. 2.5" Center Inlet/ 2.5" Center Outlet 5" Round x 15" Long Body, 20" Overall Length. Compact size is perfect for applications with limited space. Reversible design for installation flexibility. High-quality T-304 austenitic stainless steel will never rust. 100% welded construction for strength. Free Flow design for improved performance. High-temperature continuous-filament fiber (CFF) acoustic material for sound control. Natural mill finish can be brushed or polished prior to installation. Hands down, BORLA®'s XR-1® raceline parts offer a good balance of sound and power.Best of all, it's made in the USA. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.