Universal air filter details
K&N Filters Universal Clamp-On Air Filter – 3-1/4" FLG x 5-3/4" B x 3-1/2" T x 5-7/16" H (KNNRU-1637)
The K&N Filters Universal Clamp-On Air Filter – 3-1/4" FLG x 5-3/4" B x 3-1/2" T x 5-7/16" H (KNNRU-1637) is designed to deliver high airflow and superior engine protection. This filter is ideal for performance vehicles requiring a universal clamp-on design. Featuring a 3-1/4 inch flange, 3-1/2 inch top diameter, and 5-3/4 inch base, this air filter provides a snug fit in tight engine compartments. Its washable and reusable cotton gauze construction makes it a cost-effective, long-term solution for boosting performance and filtration. Compatible with a wide range of vehicle applications, it’s engineered for both function and convenience.
Features and Specifications:
Flange Inside Diameter: 3-1/4 in
Top Diameter: 3-1/2 in
Base Diameter: 5-3/4 in
Height: 5-7/16 in
Engineered Performance: Designed to boost horsepower, acceleration, and overall engine efficiency.
Advanced Filtration: Features four layers of premium cotton gauze for superior contaminant blocking.
Durable Build: Constructed with rugged, high-quality materials for long-lasting use.
Low Maintenance: Requires cleaning only every 75,000 miles under normal highway conditions.
Easy Installation: Pre-oiled and ready to install for quick performance gains.
Universal Fit: Compatible 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-1637
