Oversized TBI Exhaust Cover Gives Big Power Gains + Improved Throttle Response 

For 2023-2024 250 / 300 TBI Bikes, this oversized exhaust valve cover is an easy and affordable way to gain the bottom and midrange power you want, along with crisper throttle response. No refueling required. Better and safer than a high compression head, or adding bottom end. Our kit includes the cover and a fresh gasket. Available at bestdualsportbikes.com