wtf!!
yeah, just to be sure, go for a drive with a friend in his own "stock" car, and drive alongside eachother, and compare your speedometer readings. If yours is different, then you know it was never re-calibrated to fit the Cobra guages.
I will garantee that your speedo and tac is off. You probably just have a cobra overlay on there and not the cobra guage cluster. The instrument cluster has to match the computer or the computer has to be retuned.
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