K&N 61-4000

Custom Assemblies > Flow Control Custom Assembly
List Price: $436.13
Your Price: USD $239.99

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The K&N Flow Control System utilizes a custom designed base in combination with a unique lid designed to reduce intake turbulence. The resulting smooth, laminar flow enhances cylinder filling, horsepower, and torque. The filter element is the world famous K&N Filtercharger® for the ultimate in airflow and filtration.

  • Custom design reduces intake turbulence
  • Includes K&N round filter element
  • High air flow with excellent filtration
  • Washable and reusable air filter

Available Information

Product Specifications

Air Filter ColorRed
Air Filter Height4 in (102 mm)
Air Filter Inside Diameter12 in (305 mm)
Air Filter MaterialCotton Gauze
Air Filter ShapeRound
Drop0.125 in (3 mm)
Filter MaterialCotton Gauze
Ht. Above Carb Flg.4.25 in (108 mm)
Inlet Diameter5.125 in (130 mm)
Mounting Hardware IncludedYes
Neck Flange5.125 in (130 mm)
Overall Height4.25 in (108 mm)
Product Box Height14.5 in (368 mm)
Product Box Length14.25 in (362 mm)
Product Box Width6.5 in (165 mm)
Product StyleCustom Assemblies
Replacement FilterE-3730
Size14 Inch
Top Material/FinishNone
Top StylePlastic
Weight5 lb (2.2 kg)