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!
 

Specifications for E-3504 are:
Air Filter Shape    Oval
Filter Material    Cotton Gauze
Height    4 in (102 mm)
Inner Wire    No
Inside Length    9.75 in (248 mm)
Inside Width    6.375 in (162 mm)
Outside Length    11.5 in (292 mm)
Outside Width    8.125 in (206 mm)
Top Style    Open
Top Material    None
Flanges    None
Package Contents    1 Air Filter

Washable    Yes
Product Style    Oval Air Filter
Base Outside Length    11.5 in (292 mm)
Base Outside Width    8.125 in (206 mm)
Top Outside Length    11.5 in (292 mm)
Top Outside Width    8.125 in (206 mm)
Weight    1.8 lb (0.8 kg)

Product Box Height    12.06 in (306 mm)
Product Box Length    12.06 in (306 mm)
Product Box Width    6.13 in (156 mm)
 

Cross references to Billet Specialities Part # BSP-15630

Other part numbers are E-3505 (2" High)