Universal air filter details
K&N Filters Universal Air Filter – 4" FLG x 9"x5-3/4" B x 7"x4-1/2" T x 7-1/2" H (KNNRE-1040)
The K&N Filters Universal Air Filter – 4" FLG x 9"x5-3/4" B x 7"x4-1/2" T x 7-1/2" H (KNNRE-1040) is engineered for high airflow and durability across a wide range of applications. Designed to improve air intake performance in custom and replacement setups, this universal air filter supports engines needing increased filtration surface area and unrestricted flow. Its flexible fitting dimensions, 9-inch by 5.75-inch base, 7-inch by 4.5-inch top, and 7.5-inch height, make it compatible with various intakes. Whether for performance tuning or direct replacements, this K&N Filters Universal Air Filter provides long service life with easy maintenance.
Features and Specifications:
Flange Inside Diameter: 4 inches
Base Outside Diameter: 9 x 5-3/4 inches
Top Outside Diameter: 7 x 4-1/2 inches
Height: 7-1/2 inches
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: KNNRE-1040
