Universal air filter details
K&N Filters Universal Clamp-On Air Filter – 3" Flg x 9"x6" B x 7.5"x3.68" OD x 7.5" H – Dual Flange (KNNRU-6104)
The K&N Filters Universal Clamp-On Air Filter – 3" Flg x 9"x6" B x 7.5"x3.68" OD x 7.5" H – Dual Flange (KNNRU-6104) is designed for performance enthusiasts who need high airflow and engine protection. Featuring a 3-inch dual flange, this oval air filter fits a 9 x 6-inch base and has an outer diameter of 7.5 x 3.68 inches with a height of 7.5 inches. This unit is built with a durable cotton gauze filter media and ensures excellent filtration without restricting airflow. Its red finish enhances the look under the hood while providing reliable, washable, and reusable performance. Ideal for custom or universal intake applications, this clamp-on filter helps engines breathe easier and run more efficiently.
Features and Specifications:
Flange Inside Diameter: 3 in (76 mm)
Base Outside Diameter: 9 in (229 mm) x 6 in (152 mm)
Top Outside Diameter: 7.5 in (191 mm) x 3.68 in (94 mm)
Height: 7.5 in (191 mm)
Flange Type: Dual flange
Engineered Power: Advanced air filter media enhances horsepower, acceleration, and overall engine performance.
Superior Protection: Four layers of premium cotton gauze with a specialized tacking agent trap harmful contaminants effectively.
Durable Construction: Built with high-quality materials and precision manufacturing for long-lasting performance.
Long Service Life: Under normal highway conditions, it requires cleaning only every 75,000 miles, equivalent to about five years.
Easy Installation: Pre-oiled and ready to use, making it a simple and cost-effective upgrade for better performance.
Versatile Fitment: Designed for compatibility with a wide range of applications.
Eco-Friendly: Reusable design helps reduce landfill waste from disposable filters.
Product identification
- Brand: K&N Filters
- Model / MPN: KNNRU-6104




