No removing or taking apart your ECU is needed. No soldering. This stage 3 upgrade kit is designed to fool the computer and trigger greater horsepower, torque and acceleration. You will enjoy a refreshed engine, with outstanding acceleration without the typical flat spots. Detailed instructions are included.
Rough idle, really bad shift points, lack of power at speed, and pathetic acceleration for a 6. I wasn't expecting much in the way of mileage. I opted to try the Stage 2 performance chip. I've been shocked at the change. It says a lot about how significantly the factory programming affected an otherwise capable vehicle. djMvZQ. 212 353 320 311 144 376 176 400 37