This K&N racing air filter has just two layers of cotton to provide even lower air restriction than our replacement air filter for street vehicles. Unlike K&N replacement air filters, fuel management modifications will be necessary with this racing filter. K&N racing air filters are washable and reusable and come with a one year limited warranty. This product is for closed course competition use only.
K&N AIR FILTER FOR SUZUKI HAYABUSA GEN 3 (SU-1321)
- Designed to provide increased horsepower and torque
- Pleated media provides a large filtration area offering long service intervals
- Multiple layers of woven cotton gauze media offers excellent filtration
- Application specific base seal and sealing bead
- Made in the USA for over 40 years
- Washable & reusable, pre-oiled and ready to ride!
- No-Hassle Lifetime Limited Warranty


















