Pay in installments of $36.50 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
K&N Universal X-Stream Clamp-On Air Filter (RX-3900-1)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.- Pleated filter built in top
- Washable and reusable
- Low restriction
- Clamp-on design
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
4.7 ★★★★★
Based on 25 reviews
Sort
Product Reviews
★★★★★ 1
Wron Size Shipped Twice
Color: White, Size: Large
I ordered a large twice. 1st delivery was an XL, two sizes too large. The second reorder was an L, and fit like a medium. They can't get the order siz right.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
★★★★★ 5
Excellent shirt!
Color: Chive, Size: Large
Excellent shirt! Comfortable and looks great! True to size, and light weight.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2026
★★★★★ 5
Very good
Color: White, Size: XX-Large
Very good quality very good Appearance fit very good very comfortable and very durability very good material and versatility appearence very very good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
★★★★★ 5
Fiancé Approved
Color: Royal Blue, Size: Medium
Perfect for my fiancé's new job. He said it's fit is true to size and it is more comfortable than the one he got at a store in the mall.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
★★★★★ 4
Order a size larger than usual.
Color: Light Blue, Size: X-Large
They tend to run small. My husband usually wears a large and I ordered an extra large and was glad I did!! They wash and dry beautifully!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
recommand products
GEARWRENCH 12 Pc. 12 Point XL GearBox Double Box Ratcheting Metric Wrench Set - 85988
170.32
Sunex 9940 SAE S-Style Wrench Set. 5/16 x 3/8". 11/16 x 3/4". Alloy Steel. 5-Piece
73.78
Sunex 9914A 14 Piece Angle Head SAE Wrench Set (FULL POLISH) CRV
159.09
Lisle 15510 180-Grit Stone Set
31.20
Brush Research Manufacturing BC13818 FLEX-HONE Cylinder Hone. BC Series. Silicon Carbide Abrasive. 1-3/8" (35 mm) Diameter. 180 Grit Size
35.25