★★★★★ 5
Loved it
Fit perfectly
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Reviewed in the United States on December 9, 2025
K&N X-Stream Top Assembly 14in OD 5.125in Neck Flange 3.063in H
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
K&N X-Stream Top Assembly 14in OD 5.125in Neck Flange 3.063in HSKU: 66 3040 UPC: 024844079985 K&N 66 3040 X Stream Top Assembly 14in OD 5. 125in Neck Flange 3. 063in H Universal Fit The K&N 66 3040 X Stream Top Assembly serves as a performance air filter lid for universal custom air cleaners featuring 14 inch outside diameter filters. It fits applications with 5. 125 inch inside diameter neck flanges and stands 3. 063 inches tall. This design redirects incoming air to pull through side pleats increasing filter
Quick Dispatch:
Your K&N X-Stream Top Assembly 14in OD 5.125in Neck Flange 3.063in H 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 X-Stream Top Assembly 14in OD 5.125in Neck Flange 3.063in H 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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4.8 ★★★★★
Based on 2386 reviews
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Product Reviews
★★★★★ 4
Boys linen suit
Size: 10, Color: Light Blue
Looks great. Just wish it included a shirt
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Reviewed in the United States on March 21, 2026
★★★★★ 5
Great product
Size: 10, Color: Light Champagne, Size: 10, Color: Light Champagne
Not bring the tshirts but fit really good
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Reviewed in the United States on August 10, 2025
★★★★★ 5
Very comfortable
Size: 14, Color: Light Green
I received so many compliments on my son’s outfit for graduation.
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Reviewed in the United States on June 26, 2025
★★★★★ 1
no pure white.
no pure white.
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Reviewed in the United States on February 4, 2026
