Home K&N Universal X-Stream Clamp-On Air Filter RX-4010

K&N Universal X-Stream Clamp-On Air Filter RX-4010

NOW $319.80
Or 4 interest-free payments of $79.95
In stock at 1 of our locations
🚛 Free NZ shipping
🔒 12 month warranty on all parts
NZ WOF compliant
🔧 Fitting available NZ wide
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

Product Specifications:

Air Filter Large End Diameter 4.438 in (113 mm)
Air Filter Shape Round Tapered
Base Outside Diameter 4.438 in (113 mm)
Filter Material Cotton Gauze
Filter Re-Oiling Amount 0.36 oz (10 ml)
Flange Inside Diameter 2.438 in (62 mm)
Flange Length 0.875 in (22 mm)
Flange Type Centered
Flanges 1
Height 3.75 in (95 mm)
Inner Wire No
Package Contents 1 Air Filter

Shipping Information

Most orders land in 5–12 business days. We'll keep you updated at every step of the journey.


The Kren Bits journey:

  • Order received — Day 0
  • With fulfilment — Day 1–2
  • Heading to courier — Day 2–4
  • Shipped — Day 3–7
  • Almost there — Day 5–10
  • Delivered — Day 5–14

Where your part ships from:

Your order ships from the closest warehouse with available stock across our six-warehouse network — NZ, AU, TH, UK, US, and CN.


We email you at every real milestone — order received, with fulfilment, heading to courier, shipped, almost there, delivered. No chasing, no vague waits.


For more details, visit our Track Your Order page.

Product Enquiry

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