Performance Modules for 1999 Jeep Grand Cherokee (WJ) | 4 Wheel Parts

1999 Jeep Grand Cherokee (WJ) Performance Modules

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    Jet Performance Products Performance Modules Stage 2

    Jet Performance Products Jet Performance Module Stage 2

    From $258.99

    4.8 4.8 (45)

    Jet Performance Products Stage 1 Performance Modules

    Jet Performance Products Jet Performance Module Stage 1

    From $250.99

    4.3 4.3 (161)

    Edge Pulsar Inline Modules

    Edge Pulsar Inline Modules

    From $41.16

    3.0 3.0 (4)

    Superchips Amp'D Throttle Boosters

    Superchips Amp'D Throttle Boosters

    From $74.96

    On Sale

    Auto Meter GPS Speed Modules

    Auto Meter GPS Speed Modules

    From $251.95

    5 Products
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    Edge Pulsar OBDII to USB Update Cable - 98105

    $41.16

    • Fitment: Universal Fit
    • + View More Specs - View Less Specs

    Ship to Home:

    Ships Directly From Manufacturer May take additional processing time.
    Free! Curbside & In-Store Pickup: Ships Directly From Manufacturer May take additional processing time.
    4 Wheel Parts Glen Burnie #250 View Other Stores

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  • Superchips Amp'D Throttle Booster Power Switch - 88800

    $74.96

    • Fitment: Universal Fit
    • + View More Specs - View Less Specs

    Ship to Home:

    Out Of Stock Order now. Get it first.
    Free! Curbside & In-Store Pickup: Out Of Stock Order now. Get it first.
    4 Wheel Parts Glen Burnie #250 View Other Stores

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  • Auto Meter GPS Ground Speed Kit - ST269589

    $251.95

    Ship to Home:

    Ships Directly From Manufacturer May take additional processing time.
    Free! Curbside & In-Store Pickup: Ships Directly From Manufacturer May take additional processing time.
    4 Wheel Parts Glen Burnie #250 View Other Stores

  • Want this professionally installed? ?

  • Jet Performance Products Stage 2 Jeep Performance Module - 90015S

    $258.99

    • Fitment: Direct Fit
    • + View More Specs - View Less Specs

    Ship to Home:

    Ships Directly From Manufacturer May take additional processing time.
    Free! Curbside & In-Store Pickup: Ships Directly From Manufacturer May take additional processing time.
    4 Wheel Parts Glen Burnie #250 View Other Stores

  • Want this professionally installed? ?

  • Jet Performance Products Stage 1 Jeep Performance Module - 90015

    $250.99

    Ship to Home:

    Ships Directly From Manufacturer May take additional processing time.
    Free! Curbside & In-Store Pickup: Ships Directly From Manufacturer May take additional processing time.
    4 Wheel Parts Glen Burnie #250 View Other Stores

  • Want this professionally installed? ?