K&N Universal Chrome Filter 2.25 Inch Flange / 3.5 Inch Base / 2 Inch Top / 4 Inch Height K&N Engineering KNNRC-1250
K&N Universal Chrome Filter 2.25 Inch Flange / 3.5 Inch Base / 2 Inch Top / 4 Inch Height K&N Engineering KNNRC-1250
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K&N Universal Chrome Filter 2.25 Inch Flange / 3.5 Inch Base / 2 Inch Top / 4 Inch Height

KNNRC-1250
024844007858
Air Filters - Universal Fit
20+ Units In Stock - Ships Next Business Day
$ 62.99
$ 62.99

SKU: RC-1250 | UPC: 024844007858

K&N Universal Chrome Filter 2.25 Inch Flange / 3.5 Inch Base / 2 Inch Top / 4 Inch Height

The K&N RC-1250 universal clamp-on air filter fits a wide range of equipment with 2.25 inch intake flanges including racing vehicles radio-controlled cars generators snowmobiles and tractors. This chrome-top filter delivers high airflow with four layers of protection to trap contaminants while increasing horsepower and acceleration. Pre-oiled and washable it installs quickly for performance gains across applications.

Key Features

  • 4 Layers of Protection: Multiple layers of premium cotton gauze with tacking agent form a mesh that blocks harmful contaminants for reliable engine protection
  • Clean Every 5 Years: Needs cleaning only every 75000 miles under normal highway driving or 5 years at 15000 miles per year
  • Easy Installation: Pre-oiled and ready to clamp on for one of the simplest upgrades delivering quick performance improvements
  • Engineered Power: State-of-the-art media design increases horsepower acceleration and overall engine response
  • Rugged Construction: Durable premium materials and molded rubber flanges built to last a lifetime absorbing vibration and stretching up to 1/16 inch for secure fit

Product Notes

  • Ultra-strong pliable rubber flanges allow secure clamp-on attachment to 2.25 inch flanges and absorb vibration
  • Washable and reusable design reduces landfill waste compared to disposable filters
  • Centered flange 0.625 inch long with 3.5 inch chrome base outside diameter 2 inch top inside diameter and 4 inch height

Installation Notes

  • Professional installation recommended.
  • Clamp-on design fits directly over 2.25 inch intake tubes no cutting or modification needed
  • Compatible with custom air intakes regardless of angle or offset diameter

This Part Fits

Year Make Model Submodel
Universal Various Racing Vehicles RC Cars Generators Snowmobiles Tractors All

Why Choose K&N?

  • Trusted leader in high-flow filtration for over 50 years
  • Proven washable reusable filters that outperform paper disposables
  • Precision-engineered for maximum airflow and long-term durability

Frequently Asked Questions

  • Q: What intake sizes does the RC-1250 fit?
    A: Designed for 2.25 inch inside diameter flanges with centered mounting up to 1/16 inch stretch capability for various equipment intakes
  • Q: What materials are used in construction?
    A: Premium cotton gauze media chrome metal top and molded rubber flanges for vibration resistance and lifetime strength
  • Q: What warranty coverage applies?
    A: Backed by 1-Year Limited Warranty for manufacturing defects

Shipping &amp. Handling

  • Method: Ground shipping
  • Availability: In stock - ships same or next business day
  • Packaging: Protective box 4.13 x 4.13 x 5.5 inches
  • Weight: 0.8 lb

Request For Information

Have questions about K&N Universal Chrome Filter 2.25 Inch Flange / 3.5 Inch Base / 2 Inch Top / 4 Inch Height? Fill out the form below and we'll get back to you by the next business day.
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