How Porsche Performance Chips From Thorton Chip Tuning Work: 60 Second Installation. No Tools or Wiring Needed. The Thorton Performance chip does not take any special skills to install. Simply plug the chip into your car's OBD2 port, start the engine, and drive to unleash hidden power! Ultimate Horsepower and Torque Gains. How Maserati Performance Chips From Thorton Chip Tuning Work: 60 Second Installation. No Tools or Wiring Needed. The Thorton Performance chip does not take any special skills to install. Simply plug the chip into your car's OBD2 port, start the engine, and drive to unleash hidden power! Ultimate Horsepower and Torque Gains. OBD stands for On-Board Diagnostic. It's the standardized system that allows external electronics to interface with a car's computer system. It has become more important as cars have become Revo has a OBD 2 tuning box that plugs into your OBD2 and uploads a file to your ECU. I'm not sure if that's what they are actually doing with this unit but it would be the only way it could possibly add HP. However Revo is a established company over in Europe so I'm also in the camp of not trusting this unit. Range Technology Active Fuel Management Disabler RA003. This is a best-selling AFM disabler that can eliminate cylinder drop and speed bottleneck for any GM 5.3L Active Fuel Management engine. For starters, it disables the 4-cylinder mode on your truck and unleashes the power of all 8 cylinders. You can save fuel, speed up, and put less stress Intro Guide to Do-It-Yourself ECU Map Chip Tuning Get the chip maker to guarantee the performance gain IN WRITING and make him understand that you will return the chip to him if the chip does not work as claimed. If emission compliance is a concern, ask if their chip will pass the test and get it IN WRITING. B16A EF8/9 PW0 : 89-91 JDM .

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