K&N Top Filter Air Filters KT-4511XD
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K&N KT-4511XD Top Filter
K&N Air Filters were originally pleated to increase surface area and capacity for harsh desert conditions. 40 years later, this same filter design continues to provide low restriction while offering both high performance and capacity. Updated with XD Components, K&N’s patented XStream® Series Motocross Air Filters feature revised seals, increased pleat depth, and a tri-star injection molded top for increased strength, capacity and performance.
Features & Benefits
- Designed to increase horsepower and throttle response
- Pleated media provides a large filtration area offers low restriction and high-capacity
- Multi-Layers of tightly woven “XD” cotton gauze media offers excellent filtration
- Two-piece design eases installation and removal
- Pliable, double-beaded, application specific base seal ensures a precise fit
- Fuel-Management modifications are not required for increased performance
- Washable & re-usable, pre-oiled and ready to race!
- Made in the USA for over 40 years
- K&N One-Year Limited Warranty®
Specifications
| Model | Top Filter |
| Product Type | Air Filters |
| Vehicle Type | Offroad |
| Weight | 1.39 lb |
| Dimensions | 8.5 x 3.62 x 8.5 in |
| Brand | K&N |
| Manufacturer Part Number | KT-4511XD |
| UPC | 024844350961 |
Frequently Asked Questions
What is this air filter intended for?
This K&N Top Filter air filter is intended for off-road motorcycle use. Confirm compatibility for your specific machine before ordering.
What stands out about this air filter?
Highlights include made in the USA for over 40 years. Review the full feature list and specifications on this page for complete details.
How much does this product weigh?
This item weighs approximately 1.39 lb.
Shipping & Returns
Shipping & Returns
Shipping:
Most qualifying in-stock orders are processed within one business day. In the contiguous 48 states, eligible in-stock orders placed before 12:00 PM (noon) in the customer's local time zone typically ship the same business day. Orders shipping to Alaska or Hawaii use a 12:00 PM Pacific Time cutoff (California time). These cutoffs apply only to eligible in-stock orders and are not guaranteed shipping or delivery times. Same-day shipping refers to processing and carrier handoff, not delivery. Weekends and holidays are excluded.
Payment verification, address verification, fraud review, and inventory availability may take longer. Supplier-direct fulfillment, freight shipping, and special handling may also take longer.
Returns:
Eligible products may be returned within 60 days of delivery, subject to our Return Policy. Return authorization is required. Certain products are final sale or subject to manufacturer warranty procedures, shipping charges, and applicable restocking fees.
Please inspect your order promptly upon delivery. Shipping damage, incorrect items, missing components, or quantity shortages must be reported within 3 business days after delivery. Retain the product, original packaging, shipping labels, and photographs while your claim is reviewed.

