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K&N Custom Round Racing Assembly Red 5.875in OD x 2.406in ID x 1.75in Height

Marsoni M251S
Sale price$146.99
Pay 4 payments of $36.75 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
K&N Custom Round Racing Assembly Red 5.875in OD x 2.406in ID x 1.75in HeightK&N Custom Air Filters for Single or Two Barrel Carburetors K&N custom air filter kits are designed to boost performance from your carburetor while keeping the dirt on the outside where it belongs. These assemblies come with custom chrome top and base plates and the famous K&N High Flow Washable Air Filter.
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Your K&N Custom Round Racing Assembly Red 5.875in OD x 2.406in ID x 1.75in Height orders ship within 1-2 business days.

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  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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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
4.2 ★★★★★
Based on 1848 reviews
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J
Verified Purchase
José D.
Lowell, US
★★★★★ 5
Good
Style: CF285
Perfect fit for my car 👍 The cabin air filter was easy to install and immediately improved the air quality inside. Good quality and great value for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
R
Verified Purchase
Robert Milkovitz jr
Los Angeles, US
★★★★★ 5
Perfect fit, and it works
Style: CF211
This was a great price and a very good filter so far perfect fit easy to put in
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
S
Verified Purchase
Sandman
West Palm Beach, US
★★★★★ 5
Easy DIY for value & performance.
Style: CF174
Quality Air filter and perfect fit for 2013 Lexus GS 350 F Sport.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
P
Verified Purchase
Pangster
San Leandro, US
★★★★★ 4
Filter
Style: CF157
Arrived in a timely manner. Package was delivered securely without damage. Fits perfectly in said vehicle. Easy to install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
C
Verified Purchase
CSUSTAN
Bozeman, US
★★★★★ 5
Fits Tesla , very snug and odors are gone!
Style: CF774
Great replacement for my Tesla 2024 Highland Model 3. Easy to install. Will definitely be buying in the future! Cheaper than having Tesla do it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026

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