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Nothing is so much terrifying than taking the wounded buffalo out of the cage when you are not prepared for the eventuality. Your mercury topaz will respond like a buffalo when you upgrade it with new topaz performance chips in custom design to fit in your car settings. These topaz chips adjust themselves in order to function properly with the standard computer software without negatively affecting the performance of the mercury topaz. You will have saved so much at the gas pump and there in no need to add very expensive parts to get your topaz perform wonders. These topaz ECU chip upgrade will add more horsepower and torque to ensure the car accelerates faster in order to save on fuel and mileage. One more thing is you should not disturb yourself on installation because there is the guide you can read through as you fix the chip under the hood. Simply equip yourself with hand tools and get underway with the task.