Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
K&N Round Air Filter (E-3978XD)K&N XD air filters use a Deep Pile Design, Extra Fine Weave Grade Cotton and alternate geometries for added efficiency and capacity for off road conditions. This extra thick filtering medium provides the increased protection demanded by high dust conditions while continuing to provide the performance necessary to stay in the front of the pack. The XD Cotton medium was developed for the extreme conditions encountered by race teams in the Baja 1000.
K&N XD air filters use a Deep Pile Design, Extra Fine Weave Grade Cotton and alternate geometries for added efficiency and capacity for off-road conditions. This extra thick filtering medium provides the increased protection demanded by high dust conditions while continuing to provide the performance necessary to stay in the front of the pack. The XD Cotton medium was developed for the extreme conditions encountered by race teams in the Baja 1000. This real world testing is combined with testing performed at K&N's own Dust Retention Laboratory in conformity with the ISO 5011 test protocol. XD Cotton Air filters can be cleaned in the same way as K&N's original cotton air filters.- Outstanding protection in harsh dusty conditions
- Washable and reusable
- Long service life
- Low restriction
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 2104 reviews
Sort
Product Reviews
★★★★★ 5
LOVE
Style: Tolerance Control Soothing Skin Recovery Cream
I have extremely sensitive skin and this stuff is AMAZING. After being in sun, facial, stripped skin from treatments or products it’s super calming.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
★★★★★ 5
Well made
I like that it’s lightweight very vintage looking
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
★★★★★ 5
Well made
I like that it’s lightweight very vintage looking
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
★★★★★ 5
Well made & sturdy
Size: 6.5x10ft, Color: Red
I have it in the umbrella stand however I haven’t used it yet as it hasn’t been sunny where I live.
Once I begin to use it, I’ll update this review.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
★★★★★ 5
Great value
Size: 6.5x10ft, Color: Black-White Stripe, Size: 6.5x10ft, Color: Black-White Stripe
Beautiful and huge!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
recommand products
4-Point Massage Office Chair with Heating, Infinite Reclining Backrest, Retractable Footrest & Pillow , Brown
179.99
500lbs Big and Tall Office Chair for Heavy People, Heavy Duty Ergonomic Office Chair with Adjustable Lumbar Support and Wide Seat
169.99
6 Pieces Patio Outdoor Sectional Conversation Set w/ Reclining Chairs, Ottoman, Coffee Table, Furniture Cover & Khaki Cushions
350.00
3-Seat Outdoor Porch Swing Chair with Adjustable Canopy, 2 Foldable Side Trays, 3 Cushions & 2 Pillows, Blue
150.00
3AN Tee Center Bulkhead (Steel)
22.49