i have 94 cobra coupe and it is my daily driver. :( it has 94000 miles on it. L/T headers, O/R H, and flowmaster A/T catback. underdrive pullies and a drop in k&n.
also how much worse is the gas milege b/t 3.73 and 3.90, i do a bit of highway driving and usually drive around 80. Thanks Again