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Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Universal X-Stream Clamp-On Round Air Filter 3.531in Flg ID/4in OD/5.969in H (KNNRX-4140)K&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter area for higher air flow and a longer service interval. The XStream Air Filter provides awesome air flow and outstanding filtration. When racing, in any environment, racers need all the protection and airflow they can get. K&N delivers. All K&N universal air filters are constructed with ultra strong molded
K&N XStream Top Universal Air Filters take performance to the next level with the addition of a filter within the filter's top adding more filter area for higher air flow and a longer service interval. The XStream Air Filter provides awesome air flow and outstanding filtration. When racing, in any environment, racers need all the protection and airflow they can get. K&N delivers. All K&N universal air filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 inch (1.5mm) to fit in-between sizes. K&N universal air filters are washable and reusable.Installation Instructions
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.1 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 1
Size is wayyyyy off
Size: X-Large, Color: Black
Super small ain’t no way this is an X-Large
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Reviewed in the United States on May 7, 2026
★★★★★ 5
looks and feels great!
Style: 7" Swim Trunk, Color: Light Yellow, Size: Large
Great fit and quality! Comfortable too
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Reviewed in the United States on June 11, 2026
★★★★★ 5
Excellent value
Style: 7" Swim Trunk, Color: Light Blue Mint Green Sun Geo, Size: Large
Great fit and well made.
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Reviewed in the United States on May 23, 2026
★★★★★ 4
Great fit, simple style, and comfortable for all-day wear
Style: 7" Swim Trunk, Color: Aqua Blue, Size: Small
These swim trunks are a solid find—comfortable, well-made, and true to size. The 7-inch length is just right: not too long, not too short. They dry fairly quickly and have a mesh lining that’s supportive without being annoying.
The style is simple and classic, and they’ve held up well through swimming, beach trips, and even some light hiking. Great value for the price.
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Reviewed in the United States on May 13, 2025
★★★★★ 5
Great swim wear
Style: 7" Swim Trunk, Color: Black, Size: Large
Great fit. Size was perfect
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Reviewed in the United States on June 11, 2026