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K&N Universal X-Stream Clamp-On Round Air Filter 3.531in Flg ID/4in OD/5.969in H

Marsoni M251S
Sale price$167.99
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K&N Universal X-Stream Clamp-On Round Air Filter 3.531in Flg ID/4in OD/5.969in HSKU: RX 4140 UPC: 024844043238 K&N Universal X Stream Clamp On Round Air Filter 3. 531in Flg ID 4in OD 5. 969in H The K&N RX 4140 universal X Stream clamp on air filter fits custom intake systems on racing vehicles and performance builds requiring a 3. 531 inch flange inside diameter. Its innovative top design increases filter media for greater airflow and dust protection in demanding conditions. This washable reusable filter ensures consistent engine
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4.3 ★★★★★
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Elliot
Los Angeles, US
★★★★★ 5
As good as Honda OEM
Perfect fit. Lasts as long as OEM for 25% of the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2025
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Verified Purchase
Fatman
Lowell, US
★★★★★ 5
Great fit
Perfect fit. FYI - I bought the exact same one on EBAY FOR $11.78
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Reviewed in the United States on May 2, 2026
A
Verified Purchase
Amazon Customer
Whiting, US
★★★★★ 5
East
Easy to replace and great fit
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Reviewed in the United States on January 4, 2026
T
Verified Purchase
Tom
Omaha, US
★★★★★ 5
Perfect fit
Nice quality
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Reviewed in the United States on May 10, 2025
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stan Hithersay
Chelsea, US
★★★★★ 5
I'll get again.
Style: PA99892
Perfect fit and nice condition
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Reviewed in the United States on May 10, 2026

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