DG Performance RST Slip-On Exhaust Honda Xr600R / Xr650L The DG RST Slip-On Exhaust combines engineering precision with design expertise, aiming for optimal performance while ensuring a quieter ride. This exhaust system maintains power levels without compromising on noise reduction. Features: Advanced internal core design reduces exhaust noise while still providing excellent engine response and performance RST (Reduced Sound Technology) to decrease exhaust sound Core is wrapped with hi-temperature exhaust packing Laser-cut aluminum mounting brackets Usfs spark arrestor