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 the 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 the factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!.
Specifications:
- Product type: Drop-In Air Filter
- Style: Round Tapered Universal Air Filter
- Shape: Round Tapered
- Filter line: High-Flow
- Media: Cotton Gauze
- Washable and reusable: Yes
- Height: 8.625 in (219 mm)
- Flange ID: 4 in (102 mm)
- Base OD: 6 in (152 mm)
- Top OD: 4.75 in (121 mm)
- Efficiency: Up To 99% Efficiency
- Re-oil amount: 2.12 oz (63 ml)
- Package contents: 1 Air Filter
- Warranty: No-Hassle Lifetime Limited
- Part number: E-1997
Vehicle Applications:
- 2009 Ford Mustang Bullitt 4.6L V8
- 2008 Ford Mustang Bullitt 4.6L V8
FAQ
What does the K&N E-1997 fit?
It fits 2008-2009 Ford Mustang 4.6L V8. Check your exact year, make, model and engine against the vehicle application list before ordering.
Is the K&N E-1997 washable and reusable?
Yes. The K&N media is washable and reusable; clean and re-oil it with a K&N Recharger kit instead of replacing it.
How efficient is the filter?
K&N rates this filter at up to 99% efficiency.
What warranty does it carry?
It is backed by the K&N No-Hassle Lifetime Limited Warranty.

