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unplugging you map isnt a good ider in my oppinion, it allows for a **** ton of smoke which results in several things like Soot particles galor suspended in you oil and bad look on diesels in general
we did 4 runs in my friends '97, he has a TW ts chip, afe intake, downpipe and exhaust...2 of the runs were with the map unplugged two with in plugged in, truck ran the same 16.4X all 4 runs