K&N Universal Air Filter Chrome Round Tapered Red - 4in Flange ID x 1.125in Flange Length x 5.5in H K&N Engineering KNNRG-1001RD
K&N Universal Air Filter Chrome Round Tapered Red - 4in Flange ID x 1.125in Flange Length x 5.5in H K&N Engineering KNNRG-1001RD
K&N Universal Air Filter Chrome Round Tapered Red - 4in Flange ID x 1.125in Flange Length x 5.5in H K&N Engineering KNNRG-1001RD
K&N Universal Air Filter Chrome Round Tapered Red - 4in Flange ID x 1.125in Flange Length x 5.5in H K&N Engineering KNNRG-1001RD
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K&N Universal Air Filter Chrome Round Tapered Red - 4in Flange ID x 1.125in Flange Length x 5.5in H

KNNRG-1001RD
024844313317
Air Filters - Universal Fit
20+ Units In Stock - Ships Next Business Day
$ 41.99
$ 41.99

SKU: RG-1001RD | UPC: 024844313317

K&N Universal Air Filter Chrome Round Tapered Red - 4in Flange ID x 1.125in Flange Length x 5.5in H

K&N RG-1001RD delivers high-flow air filtration for racing vehicles radio-controlled cars generators snowmobiles tractors and more. This clamp-on filter features a 4 inch inside flange diameter 1.125 inch flange length and 5.5 inch height with a 5.25 inch outside diameter for secure vibration-absorbing fit. Pre-oiled four-layer cotton gauze media traps dirt while increasing airflow for better horsepower and acceleration.

Key Features

  • Four Layers of Protection: Premium cotton gauze with tacking agent forms mesh to block contaminants and protect engines in demanding conditions.
  • Clean Every 5 Years: Lasts up to 75000 miles under highway driving or 5 years at 15000 miles annually washable and reusable for long-term value.
  • Easy Installation: Pre-oiled and ready to clamp on flanges stretch up to 116 inch for precise fit quick performance upgrade without tools.
  • Engineered Power: High-flow media design boosts horsepower acceleration and throttle response across universal applications.
  • Rugged Construction: Molded rubber flanges and chrome top withstand vibration heat and abuse built to last a lifetime.

Product Notes

  • Flanges absorb vibration and stretch slightly for between-size intakes.
  • Wash with K&N cleaner and re-oil for repeated use every 75000 miles.
  • Packaged in 7.25 x 7.25 x 7.25 inch box weighs 1.1 pounds.

Installation Notes

  • Professional installation recommended.
  • Clamp directly onto 4 inch ID air intake pipe no adapters needed.
  • Ensure clean flange surface for secure seal includes rubber stretch for fit.

This Part Fits

Year Make Model Submodel
Universal Various Racing Vehicles Generators Snowmobiles Tractors R-C Cars All

Why Choose K&N?

  • Over 50 years engineering high-performance filtration for motorsports and powersports.
  • Washable filters outperform disposables in airflow and engine protection.
  • State-of-the-art manufacturing ensures precise fit and million-mile durability potential.

Frequently Asked Questions

  • Q: What applications does the RG-1001RD fit?
    A: Designed for universal clamp-on use on racing vehicles generators snowmobiles tractors radio-controlled cars and any 4 inch ID intake regardless of angle or offset.
  • Q: What material is the filter media?
    A: Four layers of oiled cotton gauze with chrome metal top and pliable rubber flanges for durability and easy cleaning.
  • Q: What is the warranty and maintenance?
    A: Backed by 1-Year Limited Warranty clean every 75000 miles with K&N kit for reusable performance.

Shipping & Handling

  • Method: UPS Ground or FedEx
  • Availability: In stock - ships same or next business day
  • Packaging: 7.25in x 7.25in x 7.25in product box
  • Weight: 1.1 lb

Request For Information

Have questions about K&N Universal Air Filter Chrome Round Tapered Red - 4in Flange ID x 1.125in Flange Length x 5.5in H? Fill out the form below and we'll get back to you by the next business day.
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