K&N Filter Top Style 4" blouch that performs extremely well with

that performs extremely well with the 20G-XT aero

Case Halves -Converted to Closed Deck using brand new Subaru OEM case halves

E85 compatibility is built in via the carbon commutators and a fully encapsulated armature

and virtually no wheel hop

required for installation

K&N Filter Top Style 4" blouch that performs extremely well withAir Filter Shape Oval TaperedHeight 5 in (127 mm)Package Contents 1 Air FilterPackage Quantity 1Washable YesAir Filter Material Cotton GauzeProduct Style Unique Universal Air FilterFlange Inside Width 4 in (102 mm)Flange Inside Length 6. 25 in (159 mm)Flange Length 1 in (25 mm)Flange Type CenteredFlanges 1Base Outside Length 7. 75 in (197 mm)Base Outside Width 5. 5 in (140 mm)Top Outside Length 6. 25 in (159 mm)Top Outside Width 4 in (102 mm)Top Style