World's Largest Aftermarket Motorcycle Parts and Accessories Superstore!


K&N Clamp-On Air Filter

Manufacturer Part Number RU-3480

J&P Part: 921-835 On Sale!

  • K&N Clamp-On Air Filter
Product may vary from photo(s).

$67.85 Save 11%! Regularly: $75.99

The Gold Club is our premier membership program. For most items members receive 10% off every day, plus exclusive sales and benefits just for members. More Info Gold Club Price: $61.07

Free Ground Shipping For Gold Club Members

Shipping & Delivery

Checking availability...

– Order in the next to ship today

[+] Pickup in our Retail Stores

Description for K&N Clamp-On Air Filter 

K&N Clamp-On Air Filter

• K&N filters can increase horsepower up to 12%

• Clamp-on style is designed for all racing motorcycles

• Allows considerably more air flow than stock air box set-up

• Carburetor adjustment will be required; usually a 25% increase in jet sizes can be expected

• Air filter large end diameter 5.875 in (149 mm)

• Air filter shape round tapered

• Base outside diameter 5.875 in (149 mm)

• Filter material cotton gauze

• Filter re-oiling amount 1.17 oz (34 ml)

• Flange inside diameter 4.5 in (114 mm)

• Flange length 0.625 in (16 mm)

• Flange type centered

• Flanges 1

• Height 6 in (152 mm)

• Package contents 1 air filter

Product Specs

Manufacturer Part Number: RU-3480

Sold in Units: Each

Fitment for K&N Clamp-On Air Filter 

Fast Free Shipping on Orders at $99.99 & Over
Free Tech
120 Day
Live Help

Get Help From Our Industry Experts

Call Us
7 a.m.–9 p.m. CST (Monday-Friday)
8 a.m.–6 p.m. CST (Saturday-Sunday)
9 a.m.–5 p.m. CST (Christmas & New Year's Eve)
Closed (Christmas & New Year's Day)
8 a.m.–10 p.m. CST (12/26/17 & 01/02/18)


Help / FAQs