★★★★★ 5
Good filter!
I have used this replacement filter for the past 5 changes. Works great
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Reviewed in the United States on April 26, 2026
K&N Filter Universal Rubber Filter 6 inch Flange 7.5 inch Base 5 inch Top 10 inch Height
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
K&N Filter Universal Rubber Filter 6 inch Flange 7.5 inch Base 5 inch Top 10 inch HeightK&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra strong molded pliable rubber flanges which absorb vibration and allow for secure
Quick Dispatch:
Your K&N Filter Universal Rubber Filter 6 inch Flange 7.5 inch Base 5 inch Top 10 inch Height orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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You'll receive a tracking link by email once your K&N Filter Universal Rubber Filter 6 inch Flange 7.5 inch Base 5 inch Top 10 inch Height ships.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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4.1 ★★★★★
Based on 559 reviews
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Product Reviews
★★★★★ 5
Saved money
Saved money d.i.y.
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Fits my 2015 Subaru Forester perfectly
Works as designed.
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Works in 2019 Subaru Outback!
If you are looking for an engine air filter to fit in your 2019 Subaru Outback then look no further -this one will fit. I tried two others that would not allow me to close the compartment door with the latches. This one slipped in like a hand in a glove.
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Reviewed in the United States on April 25, 2026
★★★★★ 5
great filter at a great price!
Fit perfectly in the filter box, looks well built as far as gas improvement its to early to tell, car drove fine with is installed but it was just installed last night and I have only driven it 30 miles since the install!! I will update if it changes but the price sold me on this along with other reviews! I would buy again at this point!
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Reviewed in the United States on September 5, 2025
