K&N Universal Rubber Filter 4inch FLG / 6inch OD-B / 4-5/8inch OD-T / 9inch H

SKU: RE-0870 | UPC: 024844009296

K&N RE-0870 Universal Clamp-On Air Filter: 4in Flange / 6in OD-B / 4-5/8in OD-T / 9in H

K&N RE-0870 delivers high-flow filtration for racing vehicles, radio-controlled cars, generators, snowmobiles, tractors and custom intakes. Molded rubber flanges stretch up to 1/16 inch for secure clamp-on fit regardless of intake angle or offset. Pre-oiled cotton gauze media traps dirt while boosting airflow for more horsepower and acceleration.

Key Features

• 4 Layers of Protection: Premium cotton gauze with tacking agent forms mesh to trap contaminants and protect engines in demanding conditions.
• Clean Every 75,000 Miles: Washable design needs service only every 5 years under normal highway driving, based on 15,000 miles annually.
• Easy Clamp-On Install: Pre-oiled and vibration-absorbing flanges attach quickly for immediate performance gains without tools.
• Increased Horsepower: State-of-the-art media improves airflow to enhance acceleration and engine response across applications.
• Lifetime Durability: Rugged construction with premium materials withstands vibration and harsh environments for long-term use.

Product Notes

• Pre-oiled and ready for immediate installation on compatible intakes.
• Wash with K&N cleaner and re-oil for reuse. service interval up to 75,000 miles.
• 1.6 lb product weight. ships in 8.25in L x 8.19in W x 5.06in H box.

Installation Notes

• Professional installation recommended.
• Clamp securely to 4in intake. flanges stretch 1.5mm for in-between sizes.
• Compatible with standard hose clamps. absorbs vibration for stable mounting.

This Part Fits

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

Why Choose K&N?

• Proven leader in high-flow filtration for motorsports and powersports.
• Washable reusable filters cut replacement costs and landfill waste.
• Engineered for precise fit and maximum airflow in universal applications.

Frequently Asked Questions

• Q: Will RE-0870 fit my custom intake setup?
  A: Yes, 4in centered flange works on any angle or offset diameter. rubber stretches 1/16in for secure seal on 4in tubes.
• Q: What materials are used in construction?
  A: Ultra-strong molded rubber flanges and 4 layers of oiled cotton gauze media for durability and filtration.
• Q: What is the warranty and service interval?
  A: Backed by 1-Year Limited Warranty. clean every 75,000 miles or 5 years with K&N kit for like-new performance.

Shipping & Handling

• Method: UPS Ground or FedEx
• Availability: In stock – ships same or next business day
• Packaging: Secure box measuring 8.25in x 8.19in x 5.06in
• Weight: 1.6 lb