CSP SAVINGS!

CSP2026
1 10

K&N RD-4400 - Universal Air Filter-Dual Flange Oval Style 2.25in Flange ID x 9in OS L x 5.5in OS W x 6.25in H

K&N  |  SKU: KN-RD-4400
$000


AVAILABILITY: This Item Is No Longer Orderable. Contact Us For More Details.

PLEASE NOTE: Pictures may be representative of style, rather than the actual product. Read the description for more details.

Description

K&N RD-4400 - Universal Air Filter-Dual Flange Oval Style 2.25in Flange ID x 9in OS L x 5.5in OS W x 6.25in H

Air Filter Element - Clamp-On - 9 x 5.5 in Oval - 6.25 in Tall - 2.25 in Dual Flange - Reusable Cotton - Red - Universal - Each

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 in.L x 5 1/2 in.W, total height is 6 3/4 in.. As with all K&N air filters, these are washable and reusable. Simply use K&N oil and cleaner to service your filter.

  • Designed To Increase Horsepower And Acceleration
  • Show Quality With Custom Chrome Top and Base
  • Washable And Reusable Air Filter
  • High Air Flow With Excellent Filtration
  • One Year Limited Warranty
Automotive Item Grade: High Performance
Base Outside Length: 9.000 in. (229mm)
Base Outside Width: 5.500 in. (140mm)
CARB/Air Horn Diameter: 6.750 in.
Filter Material: Cotton Gauze
Filter Re-Oiling Amount: 1.04 oz (31 ml)
Flange Angle: 0 Degree
Flange Inside Diameter: 2.250 in. (57mm)
Flange Length: 0.750 in. (19mm)
Flange Type: Centered
Flange/Bore Center to Center: 2.437 in. (62mm)
Frame Design: Flexible
Inner Wire: No
Item Height: 6.250 in. (159mm)
Item Weight: 2.000 lbs. (0.9 kg)
Machine Washable: Yes
Material: Aluminum
Number of Flanges: 2
Oil Included: Filter Is Pre-Oiled
Outside Diameter: 5.500 in. / 9.000 in.
Outside Length: 9.000 in. (229mm)
Outside Width: 5.500 in. (140mm)
Package Content: 1
Package Material: Paperboard
Package Quantity: 1
Package Type: Box
Pre-Screened: No
Product Box Height: 7.750 in. (197mm)
Product Box Length: 9.380 in. (238mm)
Product Box Width: 9.380 in. (238mm)
Shape: Oval
Top Material: None
Top Outside Length: 9.000 in. (229mm)
Top Outside Width: 5.500 in. (140mm)
Top Style: Open

What are people saying about CSP?