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K&N Filter Universal X Stream Clamp-On 3 inch Flange 6 inch Base 5 inch Top 5 9/16 inch Height

Marsoni M251S
Sale price$100.79
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K&N Filter Universal X Stream Clamp-On 3 inch Flange 6 inch Base 5 inch Top 5 9/16 inch HeightSKU: RX 4990 UPC: 024844094773 K&N RX 4990 Universal X Stream Clamp On Air Filter 3in Flange 6in Base 5in Top 5 9 16in Height for 2005 Ford Focus The K&N RX 4990 is a universal X Stream clamp on air filter designed for custom performance applications including 2005 Ford Focus ZX3 ZX4 ZX5 ZXW models. This round tapered filter features a 3 inch centered flange base outside diameter of 6 inches top outside diameter of 5 inches and 5 9 16 inch height for
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
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4.9 ★★★★★
Based on 197 reviews
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D.T
Birmingham, US
★★★★★ 5
Product quality.
This is a 1st time we are using this product; it seems working as it should, build quality is good for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 11, 2025
R
Verified Purchase
RedLove1969
Belleville, US
★★★★★ 5
Great item!
Great item a must buy 😁
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Reviewed in the United States on April 21, 2026
S
Verified Purchase
SirchainsawCharlie
Chelsea, US
★★★★★ 5
Fits 2007 Honda crv.
It fits my 2007 Honda crv and sealed very well.
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Reviewed in the United States on April 15, 2026
K
Verified Purchase
Kelsey
New York, US
★★★★★ 5
Fits 2007 Honda CRV
Fits 2007 Honda CRV.
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Reviewed in the United States on June 3, 2025
R
Verified Purchase
R + K Z
Grantham, US
★★★★★ 3
Filters well but causes air flow restrictions
Very thick and does filter well however it is so thick it actually blocks quite a bit of air flow
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Reviewed in the United States on October 27, 2020

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