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2017 Ford Focus RS 2.3L L4 Gas Air Filter
- REUSABLE K&N FILTER SAVES YOU MONEY: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving)
- CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
- RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
- REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
- ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
- EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
- 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
- ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
Air Filter Material | Cotton Gauze |
Height | 8.25 in (210 mm) |
Inner Wire | No |
Inside Diameter | 2.75 in (70 mm) |
Outside Diameter | 6.25 in (159 mm) |
Top Style | Plastic |
Top Material | None |
Air Filter Shape | Round |
Flanges | None |
Package Contents | 1 Air Filter |
Package Quantity | 1 |
Warranty | No-Hassle Lifetime Limited |
Washable | Yes |
Product Style | Round Air Filter |
Weight | 1.4 lb (0.6 kg) |
Filter Re-Oiling Amount | 1.89 oz (56 ml) |
Product Box Height | 11 in (279 mm) |
Product Box Length | 6.38 in (162 mm) |
Product Box Width | 6.38 in (162 mm) |
Filter Line | High-Flow |
Overall Filter Efficiency | Up To 99% Efficiency |
Easy Moderate Advanced
Screwdriver
5-10 Minutes
Installation PDF
Air Filter Test Data- RUGGED CONSTRUCTION: K&N Advantage Plus Air Filters are manufactured with durable, premium materials to last for up to 24,000 miles of use.
- EXTENDED LIFE 24K: K&N Advantage Plus Air Filter provides 2x longer life compared to standard 12,000-mile filters.
- SUPERIOR FILTRATION & PROTECTION: K&N uses a specially-treated premium media that provides up to 99.5% efficiency to protect your engine.
- IMPROVE ENGINE PERFORMANCE: The specially-treated filter media provides improved airflow to your engine for premium engine performance (Compared to K&N Advantage 18k mile air filters)
- REPLACE EVERY 24K Miles: Engine air filter only needs to be replaced every 24,000 Miles under normal highway driving conditions (2 years based on the average miles driven per year of 12,000 miles)
- NO-HASSLE WARRANTY: 1-Year Limited Warranty
- EASY INSTALLATION: K&N Air Filters ready to drop into your factory air box- usually with no tools required.
Air Filter Material | Cellulose Blend |
Height | 8.188 in (208 mm) |
Inner Wire | No |
Inside Diameter | 2.75 in (70 mm) |
Outside Diameter | 6 in (152 mm) |
Top Style | Plastic |
Top Material | None |
Air Filter Shape | Round |
Flanges | 1 |
Package Contents | 1 Air Filter |
Package Quantity | 1 |
Warranty | 1 Year Limited |
Washable | No |
Product Style | Round Air Filter |
Weight | 0.9 lb (0.4 kg) |
Product Box Height | 8.36 in (212 mm) |
Product Box Length | 6.38 in (162 mm) |
Product Box Width | 6.38 in (162 mm) |
Filter Line | Advantage+ |
Overall Filter Efficiency | Up To 99.5% Efficiency |
Easy Moderate Advanced
Screwdriver
5-10 Minutes