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K&N X-Stream Top Filter Red 11in / 5.125in Neck Flange / 4.37in Height
K&N X-Stream Top Filter Red 11in / 5.125in Neck Flange / 4.37in Height
K&N X-Stream Top Filter Red 11in / 5.125in Neck Flange / 4.37in Height
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K&N X-Stream Top Filter Red 11in / 5.125in Neck Flange / 4.37in Height

Marsoni M251S
Sale price$109.04
Pay 4 payments of $27.26 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
K&N X-Stream Top Filter Red 11in / 5.125in Neck Flange / 4.37in HeightNot only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine. Installation Instructions Technical Bulletin Technical Bulletin
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Your K&N X-Stream Top Filter Red 11in / 5.125in Neck Flange / 4.37in 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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You'll receive a tracking link by email once your K&N X-Stream Top Filter Red 11in / 5.125in Neck Flange / 4.37in 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
4.8 ★★★★★
Based on 967 reviews
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M
Verified Purchase
MSMom
Pawtucket, US
★★★★★ 5
Great socks!
These are great low cut socks with padding in appropriate places. The shape keeps them from sliding down in my tennis shoes. I just wish more than three pair came in the pack.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
D
Verified Purchase
Darrah
Alexandria, US
★★★★★ 5
Great socks
Size: Large, Color: (672) Super Pink / Blaze Orange / Super Pink
My favorite socks! Fit great and don’t slip down in my shoes. They are cozy and cushiony. I love the colors too.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 21, 2025
C
Verified Purchase
Crystal slater
Los Angeles, US
★★★★★ 5
Quality under armor product
These are so very comfortable they are thin yet keep my feet warm around the house while it’s snowing outside
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 7, 2026
L
Verified Purchase
Lindsey K
Grantham, US
★★★★★ 5
Fav socks
My favorite socks! Love them!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
D
Verified Purchase
Dawn
Charlottesville, US
★★★★★ 4
Not bulky fit
Size: Large, Color: (009) Gray Dawn / White / Prime Pink
Thinner than UA other cushioning run socks, but this fit is perfect and doesn't shift in my shoe. I wear a women's 9.5 and determined Large doesn't squeeze my foot like Medium size (too exact). Bonus... avaliable olors beyond black and Grey.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 2, 2025

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