K&N 66-3330R X-Stream Top Assembly DOMINATOR DRAG RACE ASSY 9"OD X 3"HDescription K&N 66 3330R X Stream Top Assembly DOMINATOR DRAG RACE ASSY 9"OD X 3"H K&N Drag Racing Base Mount Scoop Filters are designed to protect the motor in drag cars from dust and debris on the track and in the pits. This base mount scoop filter is engineered to fit specific scoop designs popular in drag racing. The filter uses cotton gauze material and is intended for high performance applications. It is compatible with the K&N 100 8505 Scoop or