The Thunder bird was a legendary animal for the Native Americans. The Ford Thunderbird 1990-2005 is a legendary car for Americans. Give it the unbridled power that it has been dreaming of by hooking it up with a performance power speed chip. The performance chip demonstrates its top of the line technology by graciously giving your Ford Thunderbird 1990-2005 at least 30-50 hp! We are not kidding folks. Our performance speed chips are specifically designed by our knowledgeable and certified R&D staff to get you the performance that your Ford Thunderbird 1990-2005 deserves! Our performance chip will give your Ford Thunderbird 1990-2005 wings!