K&N ROUND AIR FILTER 14x4 #E-3750

K&N® washable, reusable High-Flow Air Filters™ feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N’s 10-Year/Million Mile Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N’s most popular product!

Designed to increase horsepower
Washable, reusable, and engineered to last for the life of your vehicle
Designed to provide high airflow and exceptional filtration
Engineered to fit easily into your factory air box
10-Year/Million Mile Limited Warranty
Only needs cleaning every 50,000 miles under normal highway driving conditions
Emissions legal in all 50 States
Will not void vehicle warranty

Filter Material Cotton Gauze
Height 4 in (102 mm)
Inner Wire Yes
Inside Diameter 12 in (305 mm)
Outside Diameter 14 in (356 mm)
Top Style Open
Top Material None
Air Filter Shape Round
Flanges None
Package Contents 1 Air Filter
Package Quantity 1
Warranty 1,000,000 Miles/10 Year
Washable Yes
Product Style Round Air Filter
Air Filter Outlet Shape Not Flanged
Weight 2.9 lb (1.3 kg)
Filter Re-Oiling Amount 2.31 oz (68 ml)