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TBI Air Flow Enhancer Fits: 1985-1997 GM 5.0 & 5.7L TBI Equipped Trucks
InfoVehicle Info Needed
JEGSPART NUMBER: 555-50080

TBI Air Flow Enhancer Fits: 1985-1997 GM 5.0 & 5.7L TBI Equipped Trucks

$3950$43.99You Save$4.49
More than 10 available
ShippingShips on Nov 16, 2026
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TBI Air Flow Enhancer
  • 1985-1997 GM 5.0 & 5.7L TBI Equipped Trucks
  • Includes: Rubbers Seals and Grommets
  • Aluminum
  • Natural Finish
  • Sold as a Kit

    JEGS 555-50080 TBI Air Flow Enhancer Features:

    • Up to 10 HP increase by smoothing the transitional air flow between the stock air cleaner base and the throttle body injection unit
    • Fits 1985-1997 GM and Chevrolet Trucks with 305 and 350 throttle body injected engines
    • Grommets with straight and 90° x 1/2 in. fittings for easy connection to your factory vacuum line
    • Natural aluminum for long life and weight savings

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

      • Enhanced Air Flow

      JEGS precision-made aluminum TBI air flow enhancer smoothes the transitional airflow between the stock air cleaner base and the throttle body injection unit for power. These air flow enhancers produce up to 10 HP over stock. Compatible with factory air cleaner housing without modification.

    Part TypeAir Cleaner Velocity Stack
    Product LineJEGS TBI Air Flow Enhancer
    BrandJEGS
    Package Height2.2
    Package Width10.7
    Package Length12.0
    Weight0.8 PG
    Part CategoryPerformance Parts
    Velocity Stack Outside Diameter9.3 in (236.2 mm)
    Velocity Stack FinishNatural
    Velocity Stack MaterialAluminum
    Velocity Stack Inlet Diameter5 in (127 mm)
    Velocity Stack Height2.5 in (63.5 mm)
    Part FitmentSemi Universal
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews
    Please click here to download the instructions PDF file
    Some parts are not legal for use in California or other states with similar laws / regulations
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