You can go to Dallasmustang.com, get a speed calibrator for 94-2004. it has rear end changes and tire changes. it works great in my 98 cobra. the price 99.99 easy install part#9910er good luck 98 yellow snake
Go with the Predator tuner. I have had the Hypertech tuner, which is great for someone who wants to do basic things. You can get one of those on eBay for about 150 bucks. Spend the extra 50 bucks and get a predator on eBay for around 200 bucks. It is well worth it!
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