★★★★★ 5
Perfect fit
Perfect fit for my Accord
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 15, 2026
K&N Universal Clamp-On Air Filter 2.25in Flange ID 3.5in OD 2in Height
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
K&N Universal Clamp-On Air Filter 2.25in Flange ID 3.5in OD 2in HeightSKU: RU 1900 UPC: 024844396488 K&N Universal Clamp On Air Filter 2. 25in Flange ID 3. 5in OD 2in Height K&N RU 1900 universal clamp on air filter fits racing vehicles radio controlled cars generators snowmobiles tractors and custom intakes with 2. 25 inch flange ID. This high flow filter delivers more air to the engine for better horsepower and acceleration while providing excellent filtration. Constructed with 4 ply cotton gauze and molded rubber
Quick Dispatch:
Your K&N Universal Clamp-On Air Filter 2.25in Flange ID 3.5in OD 2in Height orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your K&N Universal Clamp-On Air Filter 2.25in Flange ID 3.5in OD 2in Height ships.
Need Help?
Questions about K&N Universal Clamp-On Air Filter 2.25in Flange ID 3.5in OD 2in Height, sizing, or delivery? We're just an email away.
Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for K&N Universal Clamp-On Air Filter 2.25in Flange ID 3.5in OD 2in Height in your area.
Get Shipping Estimates
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
You may also like
Burly Brand Control Kit 14in Grla Blk
221.97
Burly Brand Control Kit 13in Bag Bar - Black
234.47
Wiseco Yamaha YFM660 Raptor/Grizzly/Rhino 9.91 CR Piston Kit
105.00
Burly Brand Control Kit 12in T-Bar - Black
139.47
Wiseco Yamaha YFZ450 04-13/450R 09-19 11.41 CR Piston Kit
110.00
Mustang 08-21 Harley Electra Glide,Rd Glide Rd King,Street Glide Std Touring 1PC Seat Regal - Black
364.50
Burly Brand Control Kit 16in Gorilla - Black
192.47
4.4 ★★★★★
Based on 638 reviews
Sort
Product Reviews
★★★★★ 4
That it filters out debris in the air from going into the engine / cabin
It’s an air filter seems to be doing what it is designed for
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 9, 2026
★★★★★ 5
Wonderful
Excellent
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 15, 2026
★★★★★ 5
DIY savings
Saved myself $90!
Fit like a glove great value
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 22, 2025
★★★★★ 5
Good
Looks to be good quality. Easy install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 12, 2025
