SpeedCircuit EcuTeK Flash

On our car, we gained 72 extra horsepower to the wheels on a Mustang Dyno. Please note that Mustang Dynos tend to read about 10-13% lower than a standard DynoJet. We achieved this on a hot summer day on 93 octane fuel. The car has zero driveability issues, and is much smoother and faster than stock. Simply put, it's a whole new car. This is the perfect solution for someone who wants a stealthy yet serious modification to the car. Aside from the large power gains, it is virtually undetectable by anyone, including dealerships. If you're concerned with keeping your warranty intact, this is the product for you. When ordering, Please be sure to specify the octane of fuel you will be running. Please specify your performance modifications as well. Also be sure to choose how aggressive you'd like your tune to be. Mild - Good gain in power, however conservative and very safe. If you're not obsessed with making top performance numbers, this choice is for you. This tune runs richer air:fuel ratio