1998 Mustang Cobra Chip question.
I am new to this board and I am not sure if I am posting this question in the right place or not. I want to get a performance chip and am not sure what to get. I see lots of "chips" on ebay for $6.99 on up to $399. Will the cheaper chips perform the same job as the more expensive chips, or are they just ripping people off? I don't want to spen a lot but want a good chip (increase HP, and lower gas mileage). Any advice? Thanks
Rich
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