2004 Chevy Astro Performance Chips

    • BULLY DOG®WatchDog™ Monitor
      Chevy Astro 2004, WatchDog™ Monitor by Bully Dog®. Monitor multiple vehicle parameters. Plugs into OBD-II port for easy installation. Mount permanently or suction cup to windshield. Great for tuning or towing. Tracks vehicle...
      # 42489112
    • HYPERTECH®Max Energy Programmer
      Chevy Astro V6 4.3L Gas 2004, Max Energy Programmer by Hypertech®. Regular Fuel: HP Gain 8, TQ Gain 9, Premium Fuel: HP Gain 20, TQ Gain 18. The Max Energy Programmer series provides high levels of power and economy for gasoline...
      # 7574480
    • HYPERTECH®Speedometer Calibrator Programmer
      Chevy Astro 2004, Speedometer Calibrator Programmer by Hypertech®. The law requires accurate speedometer readings, even if you have non-stock tires or gear ratios installed. The Speedometer Calibrator is created to provide that...
      # 2017538
    • Banks®iQ Flash
      Chevy Astro 2004, iQ Flash by Banks®, HP Gain: Up To 154 hp, TQ Gain: Up To 318. Take complete control of all added power and safety functions when you connect the Banks iQ Flash to any Banks diesel tuner, AutoMind Flash...
      # 3144023
    • DiabloSport®Trinity Analog Cable
      Chevy Astro 2004, Trinity Analog Cable by DiabloSport®. For vehicles with a tight amount of leg room, this accessory OBD II cable features a 90 degree bend to route the cable out of the way of your knees. Extremely useful for...
      # 26900889
    • DiabloSport®Trinity Suction Cup Mount
      Chevy Astro 2004, Trinity Suction Cup Mount by DiabloSport®. This is a replacement suction cup mount for all T1000 units. This item has universal fitment to all Trinitys and is a service replacement for lost or damaged suction cups.
      # 26900890
    • JET®Dynamic Spectrum Tuner
      Chevy Astro 2004, Dynamic Spectrum Tuner by JET®. Modify Virtually Every Aspect. Allows Editing Of Fuel And Spark Tables. Allows Editing Of Speed And Rev Limiters. Allows Editing Of Transmission Functions. Allows Edit Torque...
      # 13548722
    • JET®Computer Chip Programmer
      $271.83from $217.46
      Chevy Astro 2004, Computer Chip Programmer by JET®.
      # 13548732
    Guides & Articles
    Are Superchips Really Super?Are Superchips Really Super?
    Although most automobile manufacturers try to achieve a balance between performance and emissions when the ECU is programmed, in reality more power can be obtained when certain engine control parameters are changed. Aftermarket superchips are made to adjust parameters to increase engine power and torque. The superchip gives a “boost” to your vehicle’s...
    The throttle controller will basically bypass the computer in the vehicle. It is designed to take the information right from the accelerator position sensor and compile it in a high speed controller circuit that compiles the signal sent from the Accelerator position sensors. With this controller you are able to program it to different options and the throttle...