Torx Racing 4 Inch Air Filter Applications: All supercharged Sea Doo, Yamaha and Kawasaki PWC The Torx Racing 4 inch air filter fits Sea Doo, Yamaha and Kawasaki applications with 4″ air intake tubing. Our filter has excellent corrosion resistance. Use this filter with 4″ aluminum tubing, 4″ stainless steel tubing, or 4″ rubber hose for making your own high flow air intake for your supercharged/turbocharged watercraft Features: 1-2 MPH Gain over OEM air intake Salt Water Torture Tested Made in USA
