K&N Universal Rubber Filter 2.5in Flange ID x 3.5in OD x 6in Height K&N Engineering KNNRD-0720
K&N Universal Rubber Filter 2.5in Flange ID x 3.5in OD x 6in Height K&N Engineering KNNRD-0720
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K&N Universal Rubber Filter 2.5in Flange ID x 3.5in OD x 6in Height

KNNRD-0720
024844008848
Air Filters - Universal Fit
20+ Units In Stock - Ships Next Business Day
$ 41.99
$ 41.99

SKU: RD-0720 | UPC: 024844008848

K&N RD-0720 Universal Rubber Filter 2.5in Flange ID x 3.5in OD x 6in Height

K&N RD-0720 universal clamp-on air filter fits racing vehicles radio-controlled cars generators snowmobiles tractors and custom intakes with 2.5in ID flange. Molded rubber flanges stretch up to 1/16in for secure vibration-free mounting regardless of angle or offset. Pre-oiled cotton gauze media traps dirt while boosting airflow for more horsepower acceleration and engine response.

Key Features

  • 4 Layers of Protection: Multiple layers of premium cotton gauze with tacking agent form intricate mesh to block trap harmful contaminants from reaching engine.
  • Clean Once Every 5 Years: Washable filter needs service every 75000 miles under normal highway driving or 5 years at 15000 miles per year average.
  • Easy Installation: Pre-oiled ready-to-run design clamps on for quick cost-effective performance upgrade without tools or modifications.
  • Engineered Power: State-of-the-art media increases airflow for higher horsepower acceleration and overall engine performance gains.
  • Rugged Construction: Durable premium materials and manufacturing ensure lifetime durability in demanding conditions.

Product Notes

  • Flanges absorb vibration and stretch 1/16in to fit in-between sizes for secure attachment.
  • Washable reusable design reduces landfill waste from disposable filters.
  • 1-Year Limited Warranty covers defects in materials workmanship.

Installation Notes

  • Professional installation recommended.
  • Clamp onto 2.5in ID intake tube using standard hose clamp not included.
  • Centered rubber flange 0.75in long 3.5in OD mounts securely pre-oiled for immediate use.

This Part Fits

Year Make Model Submodel
Universal Various Racing Vehicles Generators Snowmobiles Tractors RC Cars Custom Intakes 2.5in ID Flange

Why Choose K&N?

  • Proven leader in high-flow filtration for motorsports off-road industrial uses.
  • Patented cotton gauze technology delivers long service life unmatched airflow.
  • Precision-engineered for exact fit function across diverse applications.

Frequently Asked Questions

  • Q: What intake sizes does the K&N RD-0720 fit?
    A: 2.5in inner flange diameter 3.5in outer flange diameter stretches up to 1/16in for custom racing generators snowmobiles tractors any angled offset intake.
  • Q: What materials are used in this air filter?
    A: 4 layers premium cotton gauze media treated with tacking agent plus ultra-strong molded pliable rubber flanges for vibration absorption secure seal.
  • Q: What warranty coverage applies?
    A: 1-Year Limited Warranty protects against defects in materials or workmanship with washable design for extended use.

Shipping &amp. Handling

  • Method: UPS or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Protective box 8 x 7.5 x 7.5 inches
  • Weight: 1.1 pounds

Request For Information

Have questions about K&N Universal Rubber Filter 2.5in Flange ID x 3.5in OD x 6in Height? Fill out the form below and we'll get back to you by the next business day.
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