You cannot drive a Firebird ECU fixed vehicle and fail to notice its unusualness. A brand new Firebird, when fixed into your car engine will definitely improve its acceleration as a result of much enhanced horsepower and torque. Its throttle feedback time and Top end Power will also improve with a great margin. A hike in MPG (3 to 6 times) revamps the fuel efficiency by ensuring that the knob is adjusted to turn down excess power that may be of no use. When adjustments are made on the knob, the chip will direct the vehicle to use less fuel. The installation of a Firebird performance chip is simplified by the availability of well illustrated instructions. The tools for installation are hand tools and can be used very easily by all. The duration for a complete installation is about 20 minutes. Once installed the machine effects the changes immediately.