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K&N Universal Air Filter Hilborn Q, 2 1/4'' Dual, 9'' x 5 1/2'', 6 1/4'' Height


  • Used With Oval Style Stacks
  • Increases Filtration
  • Washable and Reuseable Filter
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Pricing: $81.99


K&N Oval Style Stacks for Late Type Hilborn Siamese Stacks- These filters are designed to be used with stock, uncut, siamesed ram tubes. Comes with removable aluminum top plate. To install, push Ram Tubes through rubber base and clamp at desired height. Oval top plate measures 9"L x 5 1/2"W, total height is 6 3/4". As with all K&N air filters, these are washable and reusable. Simply use K&N oil and cleaner to service your filter.

Application List



Height: 6.25 in (159 mm)

Flange Inside Diameter: 2.25 in (57 mm)

Outside Measurements: 9'' x 5.5''

Flange Angle: N/A


  • RD-4400
  • RD-4400
  • K&N
  • New

Shipping Information

  • Item Requires Shipping
  • 2.0 lbs.
  • W9.4000” x H7.8000” x L9.4000”

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