Parts From Summit Racing: www.summitracing.com Borla XR-1 3″ to 3″ Muffler – OR-40085 Muffler, XR-1, 3 in. Inlet/3 in. Outlet, Brushed Stainless Steel, Each (Mfr. #: 40085)
Video:
Maker:
https://www.borla.com/products/xr1.html
Buy:
https://www.summitracing.com/search/product-line/borla-xr-1-racing-mufflers/part-type/mufflers
https://www.amazon.com/Borla-40085-Sportsman-Racing-Muffler/dp/B000GVOZ72/