2015 Subaru Legacy 2.5L H4 Gas Air Filter
- ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
- RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
- 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
- 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)
- 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)
- ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
- 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
- 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
| Air Filter Shape | Panel |
| Air Filter Material | Cotton Gauze |
| Washable | Yes |
| Height | 0.938 in (24 mm) |
| Outside Length | 8.75 in (222 mm) |
| Outside Width | 8.563 in (217 mm) |
| Package Contents | 1 Air Filter |
| Package Quantity | 1 |
| Warranty | No-Hassle Lifetime Limited |
| Product Style | Panel Air Filter |
| Weight | 0.9 lb (0.4 kg) |
| Filter Re-Oiling Amount | 1.06 oz (31 ml) |
| Product Box Height | 11.56 in (294 mm) |
| Product Box Length | 10.44 in (265 mm) |
| Product Box Width | 1.75 in (44 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 built with durable, premium materials for up to 24,000 miles of use.
- EXTENDED LIFE (24K): Provides up to 2X longer service life compared to standard 12,000-mile filters.
- SUPERIOR FILTRATION & PROTECTION: Specially treated synthetic or cellulose-blend filter media (based on application) delivers up to 99.5% filtration efficiency to help protect your engine.
- REPLACE EVERY 24K MILES: Designed for replacement every 24,000 miles under normal highway driving conditions (approximately 2 years based on 12,000 miles per year).
- NO-HASSLE WARRANTY: Backed by a 1-Year Limited Warranty.
- EASY INSTALLATION: Drops directly into your factory air box, typically with no tools required.
| Air Filter Shape | Panel |
| Air Filter Material | Non-woven Synthetic |
| Washable | No |
| Height | 1.406 in (36 mm) |
| Outside Length | 8.594 in (218 mm) |
| Outside Width | 8.563 in (217 mm) |
| Package Contents | 1 Air Filter |
| Package Quantity | 1 |
| Warranty | 1 Year Limited |
| Product Style | Panel Air Filter |
| Weight | 0.6 lb (0.3 kg) |
| Product Box Height | 9.6 in (244 mm) |
| Product Box Length | 8.86 in (225 mm) |
| Product Box Width | 1.61 in (41 mm) |
| Filter Line | Advantage+ |
| Overall Filter Efficiency | Up To 99.5% Efficiency |
Easy Moderate Advanced
Screwdriver
5-10 Minutes
- RUGGED CONSTRUCTION: K&N Advantage air filters are built with durable, premium materials for up to 18,000 miles of use.
- EXTENDED LIFE (18K): Provides up to 50% longer service life compared to standard 12,000-mile filters.
- SUPERIOR FILTRATION & PROTECTION: Premium synthetic or cellulose-blend filter media (based on application) delivers up to 99% filtration efficiency to help protect your engine.
- REPLACE EVERY 18K MILES: Designed for replacement every 18,000 miles under normal highway driving conditions (approximately 1.5 years based on 12,000 miles per year).
- NO-HASSLE WARRANTY: Backed by a 1-Year Limited Warranty.
- EASY INSTALLATION: Drops directly into your factory air box, typically with no tools required.
| Air Filter Shape | Panel |
| Air Filter Material | Non-woven Synthetic |
| Washable | No |
| Height | 1.406 in (36 mm) |
| Outside Length | 8.594 in (218 mm) |
| Outside Width | 8.563 in (217 mm) |
| Package Contents | 1 Air Filter |
| Package Quantity | 1 |
| Warranty | 1 Year Limited |
| Product Style | Panel Air Filter |
| Weight | 0.6 lb (0.3 kg) |
| Product Box Height | 9.6 in (244 mm) |
| Product Box Length | 8.86 in (225 mm) |
| Product Box Width | 1.61 in (41 mm) |
| Filter Line | Advantage |
| Overall Filter Efficiency | Up To 99% Efficiency |