Made in USA
400B300X Reducer Sleeve Assembly 4" to 3"
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GRANATELLIPART NUMBER: 467-400B300X

400B300X Reducer Sleeve Assembly 4" to 3"

$3959$43.99You Save$4.40
ShippingShips on 09/09/2026
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Reducer Sleeve Assemblies
Reducer Sleeve Assembly
  • 4" to 3"
    Includes
  • (1) Sleeve
  • (1) 1052 Clamp
  • (1) 1060 Clamp

    Granatelli 400B300X Features:

    • Easily adapt 4' diameter to 3' or 3.5' diameter tubing.
    • Adapt a mass air flow sensor to either the factory air inlet duct work or a cold air kit.
  • Part TypeIntake Manifold Sleeve
    BrandGRANATELLI
    Package Height2.0
    Package Width5.0
    Package Length5.0
    Weight0.4 PG
    Part CategoryPerformance Parts
    Tubing Coupler Inlet Diameter4 in (101.6 mm)
    Tubing Coupler TypeStraight
    Tubing Coupler FinishBlack
    Tubing Coupler Outlet Diameter3 in (76.2 mm)
    Tubing Coupler MaterialSilicone
    QuantitySold as a kit
    Tubing Coupler Length3 in (76.2 mm)
    Part FitmentSemi Universal
    Vendor Part Number400B300X
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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