Harley Davidson 45ci V-Twin Replacement Air Filters

Buy now from K&N's Online Store and get a 100% money back guarantee on any Harley Davidson 45ci V-Twin air filter!

  • Designed to Increase Horsepower and Acceleration
  • High Air Flow with Excellent Filtration
  • Top Performance Accessory for Harley Davidson 45ci V-Twin Models
  • K&N Million Mile Limited Warranty®

Order your K&N replacement air filter Factory Direct today! Help your Harley Davidson 45ci V-Twin run better. Fast and FREE SHIPPING with any Harley Davidson 45ci V-Twin air filter

  1. 1955 Harley Davidson 45ci V-Twin 45 CI air filter
    $64.99 Regular Price $51.99 Special Price
    E-2470
    K&N
  2. 1954 Harley Davidson 45ci V-Twin 45 CI air filter
    $64.99 Regular Price $51.99 Special Price
    E-2470
    K&N
  3. 1953 Harley Davidson 45ci V-Twin 45 CI air filter
    $64.99 Regular Price $51.99 Special Price
    E-2470
    K&N
  4. 1952 Harley Davidson 45ci V-Twin 45 CI air filter
    $64.99 Regular Price $51.99 Special Price
    E-2470
    K&N
  5. 1951 Harley Davidson 45ci V-Twin 45 CI air filter
    $64.99 Regular Price $51.99 Special Price
    E-2470
    K&N
  6. 1950 Harley Davidson 45ci V-Twin 45 CI air filter
    $64.99 Regular Price $51.99 Special Price
    E-2470
    K&N
  7. 1949 Harley Davidson 45ci V-Twin 45 CI air filter
    $64.99 Regular Price $51.99 Special Price
    E-2470
    K&N
  8. 1948 Harley Davidson 45ci V-Twin 45 CI air filter
    $64.99 Regular Price $51.99 Special Price
    E-2470
    K&N
  9. 1947 Harley Davidson 45ci V-Twin 45 CI air filter
    $64.99 Regular Price $51.99 Special Price
    E-2470
    K&N
  10. 1946 Harley Davidson 45ci V-Twin 45 CI air filter
    $64.99 Regular Price $51.99 Special Price
    E-2470
    K&N
  11. 1945 Harley Davidson 45ci V-Twin 45 CI air filter
    $64.99 Regular Price $51.99 Special Price
    E-2470
    K&N
  12. 1944 Harley Davidson 45ci V-Twin 45 CI air filter
    $64.99 Regular Price $51.99 Special Price
    E-2470
    K&N
  13. 1943 Harley Davidson 45ci V-Twin 45 CI air filter
    $64.99 Regular Price $51.99 Special Price
    E-2470
    K&N
  14. 1942 Harley Davidson 45ci V-Twin 45 CI air filter
    $64.99 Regular Price $51.99 Special Price
    E-2470
    K&N
  15. 1941 Harley Davidson 45ci V-Twin 45 CI air filter
    $64.99 Regular Price $51.99 Special Price
    E-2470
    K&N
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