DG Performance V2 Slip-On Exhaust Yamaha Tt-R 225 The DG Performance V2 Slip-On Exhaust merges unparalleled power, impeccable performance, and enduring reliability into one must-have upgrade. Effortlessly attaching to the stock head pipe, this slip-on exhaust promises an easy installation process. Designed with compliance in mind, it includes a USFS-approved spark arrestor for legitimate off-road use. For enthusiasts seeking a more subdued sound, optional quiet core inserts are optional purchases, enhancing versatility for a tailored riding experience. Features: Lightweight stainless steel and aluminum construction Designed to increase horsepower and torque Bolts directly to the stock head pipe Usfs spark arrestor Optional quiet core inserts available separately Note: Images are for reference only.