Cool Air Filter Kit - Yamaha 3Caracteristicas: Utilize an oversized specifically designed 7. 25 x 5. 5 x 6 teardrop shaped R&D Power Plenum filter with crankcase vent that rubber mounts in the space over the top left side of the gas tank The system ducts its air supply to the supercharger via an Indy car style 3. 5 mandrel vent aluminum tube and couples to the supercharger with a 90 Nomex tapered reduction elbow Recommended for R&Ds C1, C3, C5 and C20X Monster Supercharger Wheel