2003 Cadillac CTS Performance Chips

1 - 4 of 401 of 01
show:
sort by:
    • (1 reviews)
      $374.99$299.99
      Cadillac CTS 2003, 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...
      # 42489038
    • (0 reviews)
      $336.38from $269.10 - $359.10
      Cadillac CTS 197 CID N Engine VIN code 2003, Insight CS / CTS Monitor by EDGE®. Specially created to provide the ultimate level of vehicle instrumentation, the compact CS and wide-screen CTS monitors plug in to any OBD II...
      # 1341363
    • (0 reviews)
      $20.83$16.66
      Cadillac CTS 2003, 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...
      # 26901447
    • (0 reviews)
      $31.24$24.99
      Cadillac CTS 2003, 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.
      # 26901448
    Guides & Articles
    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...
    Popular Popular Products
    2003 Cadillac CTS Models
    • 2003 Cadillac CTS Base Performance Chips
    • 2003 Cadillac CTS Luxury Performance Chips
    • 2003 Cadillac CTS Luxury Sport Performance Chips