2004 Subaru Legacy Air Filters
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K&N®33 Series Panel Red Air FilterSubaru Legacy 2004, 33 Series Panel Red Air Filter by K&N®. K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. K&N makes over 1,200 different replacement air filters...Designed to boost horsepower and rate of accelerationCan be cleaned and used again$64.99 - aFe®Magnum Flow® Pro 5R Panel Blue Air FilterSubaru Legacy GT / L / L 35th Anniversary EJ253 Engine 2004, Magnum Flow® Pro 5R Panel Blue Air Filter by aFe®. Constructed with 100% polyurethane on all four sides, this high-flow, oiled OE replacement performance filter will outflow...Pro 5R Factory-Oiled Media for Maximum Performance100% Polyurethane Frame On All Sides For Extra Long Filter Life$84.00
- Bosch®Air FilterSubaru Legacy 2.5L 2004, Air Filter by Bosch®. Make sure your engine breathes properly with their selection of top-quality replacement air intake parts. These parts are made by trusted brands that use the finest materials and the latest...Perfect solution to keep your air intake system performing the way it was designed toCrafted from the highest grade materials for dependable, long-lasting service$6.71 - $8.25
- Denso®Air FilterSubaru Legacy EJ253 Engine / EJ259 Engine 2004, Air Filter by Denso®. Make sure your engine breathes properly with our selection of top-quality replacement air intake parts. These parts are made by trusted brands that use the finest...Perfect solution to keep your air intake system performing the way it was designed toCrafted from the highest grade materials for dependable, long-lasting service$5.81 - $8.56
- FRAM®Extra Guard™ Flexible Panel Rectangular Air FilterSubaru Legacy 2004, Extra Guard™ Flexible Panel Rectangular Air Filter by FRAM®. Designed and constructed with advanced features to capture and hold more dirt. Increased durability is achieved because of the heavier filter screen that...Provides better air filtration for improved performancePrevents damaging particles from entering your engine$7.94 - $8.39
- aFe®Magnum Flow® Pro Dry S Panel Gray Air FilterSubaru Legacy GT / L / L 35th Anniversary EJ253 Engine 2004, Magnum Flow® Pro Dry S Panel Gray Air Filter by aFe®. Constructed with 100% polyurethane on all sides, this high-flow, oiled OE replacement performance filter will outflow...Oil-Free, Pro DRY S 3-Layer Progressive Porosity Synthetic Media for maximum convenience100% Polyurethane Frame On All Sides For Extra Long Filter Life$84.00
- WIX®Panel Air FilterSubaru Legacy 2004, Panel Air Filter by WIX®. Make sure your engine breathes properly with our selection of top-quality replacement air intake parts. These parts are made by trusted brands that use the finest materials and the latest...Perfect solution to keep your air intake system performing the way it was designed toCrafted from the highest grade materials for dependable, long-lasting service$12.08 - $14.39
- ACDelco®Gold™ Rectangular Air FilterSubaru Legacy 2.5L 2004, Gold™ Rectangular Air Filter by ACDelco®. Make sure your engine breathes properly with our selection of top-quality replacement air intake parts. These parts are made by trusted brands that use the finest...Perfect solution to keep your air intake system performing the way it was designed toCrafted from the highest grade materials for dependable, long-lasting service$8.31 - $17.75
- PUR Filters®Air FilterSubaru Legacy 2004, Air Filter by PUR Filters®. A breath of pur air for your engine. 98 % Efficiency against rocks and other debris on the road. Pur air filters prevent contaminants from entering your engine. PUR offers premium air...Improves engine response time protects the operational performance of your engineBoosts fuel economy by 6% to 11%$4.10 - $6.38
- Premium Guard®Panel Air FilterSubaru Legacy 2.5L 2004, Panel Air Filter by Premium Guard®. Make sure your engine breathes properly with our selection of top-quality replacement air intake parts. These parts are made by trusted brands that use the finest materials...Perfect solution to keep your air intake system performing the way it was designed toCrafted from the highest grade materials for dependable, long-lasting service$4.59 - $8.17
- Pentius®UltraFLOW™ Air FilterSubaru Legacy EJ253 Engine / EJ259 Engine 2004, UltraFLOW™ Air Filter by Pentius®. The UltraFLOW Air Filter by Pentius has been designed to provide your customer's engine with the clean air that is required for maximum efficiency and...Designed to eliminate contaminantsEnsures proper fitment and excellent performance$3.92 - $7.96
- Baldwin Filters®Air Filter ElementSubaru Legacy 2.5L 2004, Air Filter Element by Baldwin Filters®. This first-rate American-made product is the winning choice for performance-minded racers. Made with craftsmanship and high-tech machinery by highly skilled engineers, it...Heavy-Duty Radial Seal Gasket and End Cap will not degrade under temperature extremes, changes in restriction or vibrationFlexible Outer Edges makes for easy installation and removal in housings with minimal clearance$13.21 - $14.27
- Beck Arnley®Panel Air FilterSubaru Legacy 2004, Panel Air Filter by Beck Arnley®. Position: Primary. When investing in this superior product by Beck Arnley, expect to get the exact OEM look, function, and fit. The product was developed to stringent factory...Insures proper air flow for engine operationConstructed from OE quality materials and filter media to properly maintain your vehicle and improve gas mileage$16.14
- Full®Air FilterSubaru Legacy 2004, Air Filter by Full®. Make sure your engine breathes properly with our selection of top-quality replacement air intake parts. These parts are made by trusted brands that use the finest materials and the latest...Perfect solution to keep your air intake system performing the way it was designed toCrafted from the highest grade materials for dependable, long-lasting service$13.09
- Hengst®Air FilterSubaru Legacy 2004, Air Filter by Hengst®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Perfect solution to keep your air intake system performing the way it was designed toCrafted from the highest grade materials for dependable, long-lasting service$8.68
- Luber-finer®Rigid Panel Air FilterSubaru Legacy 2.5L 2004, Rigid Panel Air Filter by Luber-finer®. Make sure your engine breathes properly with their selection of top-quality replacement air intake parts. These parts are made by trusted brands that use the finest...Remove 99.9% of airborne contaminantsMeet form, fit and function characteristics for the application$5.56
- aFe®Magnum Flow® Pro 5R Round Tapered Blue Air FilterMagnum Flow® Pro 5R Round Tapered Blue Air Filter by aFe®. This high flow Pro 5R air filters are constructed with 100% polyurethane on all sides and will out flow the stock paper filters for improved performance. Five layers of...Improves airflow for better performance and accelerationPre-oiled, washable/reusable air filter for long service life with life-time warranty$65.00 - $140.00
- aFe®Magnum Flow® Pro Dry S Round Tapered Gray Air FilterMagnum Flow® Pro Dry S Round Tapered Gray Air Filter by aFe®. This high flow Pro DRY S air filters are constructed with 100% polyurethane on all sides and will out flow the stock paper filters for improved performance. Layers of...Improves airflow for better performance and accelerationPre-oiled, washable/reusable air filter for long service life with life-time warranty$68.00 - $121.00
- aFe®Magnum Flow® Pro Guard 7 Tan Air FilterMagnum Flow® Pro Guard 7 Tan Air Filter by aFe®. This Pro Guard 7 performance air filter outflows the factory intake by 44%. The “Inverted” design of this unique OE replacement filter fully utilized the space in the stock air box...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$68.00 - $114.00
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2004 Subaru Legacy Models
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