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

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