FMF Powercore 4 Muffler for Honda XR 650L 1993-2014 041425 FMF POWERCORE 4 CONSTRUCTED OF STAINLESS STEEL WITH A LIGHTWEIGHT ALLOY CAN SPACE AGE INTERNAL PACKING FOR MAXIMUM PACKING LIFE HI-FLO MODULAR END CAP INTERNAL SHAPE OF CORE USES HI-FLO TECHNOLOGY