Universal air filter details
K&N Filters Universal Clamp-On Air Filter – 2-1/2" FLG x 4-1/2" B x 3-1/2" T x 5" H (KNNRU-9630)
The K&N Filters Universal Clamp-On Air Filter – 2-1/2" FLG x 4-1/2" B x 3-1/2" T x 5" H (KNNRU-9630) is engineered for drivers who demand improved airflow and reliable filtration. It fits a wide range of applications, thanks to its universal clamp-on design and dimensions. Ideal for custom setups or replacement needs, this air filter ensures optimal engine breathing while helping extend engine life. Built with washable and reusable materials, it’s a long-lasting performance upgrade. This K&N Filters Universal Clamp-On Air Filter is perfect for enthusiasts looking to balance filtration and airflow efficiency.
Features and Specifications:
Inlet Flange Inside Diameter: 2.5 in (63 mm)
Base Outside Diameter: 4.5 in (114 mm)
Top Outside Diameter: 3.5 in (89 mm)
Height: 5 in (127 mm)
Filter Style: Clamp-On
Compatibility: Universal fit
Enhanced Performance: Engineered air filter media helps boost horsepower, acceleration, and overall engine efficiency.
Advanced Filtration: Features four layers of premium cotton gauze treated with a tacky agent to capture harmful contaminants.
Durable Build: Constructed with high-quality materials for long-lasting use and dependable performance.
Low Maintenance: Requires cleaning every 75,000 miles under typical highway driving conditions.
Eco-Friendly: Reusable design helps reduce landfill waste from disposable filters.
Product identification
- Brand: K&N Filters
- Model / MPN: KNNRU-9630




