Air Filters - Universal Fit

Whether you're screaming through a 10-second quarter-mile at the track or simply put-putting down to the grocery store for some milk, your motor will perform at peak efficiency when you install a universal air filter. Ideal for customized rides, each universal filer is available in a range of sizes and styles to fit everything from classic muscle cars to modern racers. And, nearly all universal filters are cleanable and reusable, so you'll never need to buy a new universal filter.

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K&N Cold Air Intake Replacement Filters
From $37.99 each
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Refresh your K&N Cold Air Intake with a K&N Cold Air Intake Replacement Filter. Packed with the K&N legacy, these universal-fit air filters work for K&N Series 63, 69, 77 and FIPK systems, and they give other brand intakes the K&N kick. Million Mile Limited Warranty.

Injen Replacement Air Intake Filters
From $49.32 each
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(90)
If your Injen air intake’s air filter has bitten the dust, swap it out with a fresh one. Injen Replacement Air Intake Filters boast a 4-layer cotton gauze filtration and velocity stack design. Universally sized to fit other air intakes, too! Lifetime Warranty.

AEM Replacement Air Intake Filters
From $44.95 each
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(31)
Revive your AEM Cold Air Intake with an AEM Replacement Air Intake Filter. Featuring AEM’s DryFlow technology, these replacement filters are tuned specifically for AEM CAI, V2, Brute Force and Short Ram cold air intakes. Lifetime Warranty.

aFe MagnumFLOW IAF PRO 5R Cold Air Intake Replacement Filters
From $46.00 each
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(1)
Shovel energy–rich oxygen down your intake's gullet with MagnumFLOW IAF PRO 5R Cold Air Intake Replacement Filters. Designed for maximum airflow, these aFe Universal Air Filters boast five layers of medical–grade cotton gauze. Multiple sizes available. 2–year warranty.

K&N XStream Round Custom Air Filter Assemblies
From $51.99
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(5)
Top off your carbureted engine’s stock air filter with the ultra efficient K&N XStream Round Air Filter. Available in sizes ranging from 9” to 14”, these K&N universal filters let oxygen rush into your motor from the top for more power. Full assemblies available. Million Mile Limited Warranty.

aFe MagnumFLOW IAF PRO DRY S Cold Air Intake Replacement Filters
From $46.00 each
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Cut your dependence on oil with MagnumFLOW IAF PRO DRY S Cold Air Intake Replacement Filters. Thanks to their two layers of synthetic mesh fabric, they clear away 99.2% of gunk without a drop of oil. Simple to maintain and available in multiple universal air filter sizes. 2–year warranty.

Volant HV Cold Air Intake Replacement Filters with Donaldson PowerCore® Filtration Technology
ON SALE!
From $94.46
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(39)
Double the duty of your universal air filter by equipping your air intake with a PowerCore® Replacement Air Filter. While most universal air filters need servicing at 50,000 miles, the PowerCore® goes 150,000 miles before you even need to look at it. Fits most cold air intakes. 100,000-mile warranty.

Volant Pro 5 Cold Air Intake Replacement Filters
ON SALE!
From $46.95 each
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Breathe new life into your Volant CAI with the Volant Pro 5 Cold Air Intake Replacement Filter. Just like the original filter that came with your Volant intake kit, this high-quality cold air intake filter replaces your worn out one for a fresh blast of power. 1-year warranty.

aFe MagnumFLOW IAF Pro-GUARD 7 Cold Air Intake Replacement Filters
From $67.00 each
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Stop even the smallest contaminants from flowing into your engine with MagnumFLOW Pro–GUARD 7 Cold Air Intake Replacement Filters. Constructed from seven layers of progressively finer fabric, these universal filters give you 99.7% filtration efficiency. Multiple sizes available. 2–year warranty.

AirAid SynthaFlow Cold Air Intake Replacement Filters
From $36.90
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K&N Custom Air Filter Assemblies
From $65.99
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For serious horsepower gains and trick style, dress your carbureted engine with K&N Custom Air Filter Assemblies. K&N Custom Air Filter Assemblies come with a free-flowing universal round K&N filter and a brilliant chrome top. Lots of sizes to fit most carbs. Million Mile Limited Warranty.

Volant Replacement Air Filters
ON SALE!
From $89.06
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AirAid SynthaMax Cold Air Intake Replacement Filters
From $36.90
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K&N Universal Round Air Filters
From $35.99
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(8)
Goose your carbureted motor’s airflow with K&N Universal Round Air Filters. These easy-to-install K&N universal filters replace your flimsy factory paper filter with high-flow cotton gauze technology for a hearty boost in horsepower and MPGs. Million Mile Limited Warranty.

Takeda IAF PRO DRY S Cold Air Intake Replacement Filters
From $51.00 each
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Oil belongs in your engine, not in your filter. Go dry with Takeda IAF PRO DRY S Cold Air Intake Replacement Filters. Boasting two layers of randomly porous synthetic fabric, your universal air filter scrubs away 99.2% of contaminants and is easy to service. Comes in multiple sizes. 2–year warranty.

AirAid SynthaMax Universal Cone Air Filters
From $34.90
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Takeda Replacement Air Intake Filters
From $51.00 each
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(4)

AirAid SynthaFlow Universal Cone Air Filters
From $31.90
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Get your cone on with the Airaid SynthaFlow Universal Cone Air Filter. Designed to replace CAI cone filters, this performance air filter blends multiple oiled cotton gauze and synthetic fiber layers to deliver maximum airflow and engine protection. Lifetime Warranty.

aFe Momentum HD Pro 10R Cold Air Intake Replacement Filters
Only $119.95
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Retool your aFe CAI with the aFe Momentum HD Pro 10R Cold Air Intake Replacement Filter. 360º radial-flow and a massive 1,000 cfm deliver maximum airflow, while this replacement air filter’s 10 layers of progressive cotton media catch the motor-mangling dirt. 2-year warranty

aFe Momentum HD PRO DRY S Cold Air Intake Replacement Filters
Only $109.95
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Get your aFe CAI back up to speed with the aFe Momentum HD PRO DRY S Cold Air Intake Replacement Filter. Featuring 360º radial-flow and 3 layers of non-oiled, progressively finer synthetic mesh media, this replacement filter is powerful, washable and reusable. 2-year warranty.

aFe Momentum HD Pro-GUARD 7 Cold Air Intake Replacement Filters
Only $99.95
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Breathe new life into your aFe CAI with the aFe Momentum HD Pro-GUARD 7 Cold Air Intake Replacement Filter. 360º radial-flow and 7 layers of oiled, progressively finer mesh cotton gauze/synthetic media let air in and keep crud out. Washable and reusable. 2-year warranty.

AirAid Concept II Custom Air Filter Assemblies
From $144.90
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AirAid SynthaFlow Universal Round Air Filters
From $45.90
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Round up performance and protection with the Airaid SynthaFlow Universal Round Air Filter. Replacing round CAI filters, this high-performance filter combines multiple oiled cotton gauze and synthetic fiber layers to deliver ultimate airflow and protection. Lifetime Warranty.

AirAid SynthaMax Universal Round Air Filters
From $49.90
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Bring filtration full circle with the Airaid SynthaMax Universal Round Air Filter. Replacing OEM & CAI round filters, this air filter for cars, trucks and SUVs boasts 5 layers of non-oiled, 100% synthetic fiber. Washable with household detergent and reusable for life. Lifetime Warranty.

Takeda IAF PRO 5R Cold Air Intake Replacement Filters
Only $72.00 each
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Unleash your intake’s true power potential with Takeda IAF PRO 5R Cold Air Intake Replacement Filters. Designed for hair–raising airflow, these universal filters use five layers of medical–grade cotton gauze to feed your powerplant huge gusts of clean, energy–rich air. Available in multiple sizes. 2–year warranty.

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K&N vs. Stock: Increasing Performance with Air Intakes & Air Filters

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K&N Air Filters Comparison: What Filter Gives You the Best Overall Performance Boost?

Looking for a new K&N air filter? You’ve come to the right place. We have several K&N air filters for you to choose from. Plus, we have all the information you need to decide which one is the best for your vehicle.