Quote:
Originally Posted by iconoclast
i have not seen any dyno plots from any member who installed a tune. unless someone can post before and after factual data it is all "butt-dyno" and in some cases some individuals lost power going with some jb products.
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it was here , the guy with RACECHIP on his 35d shows pics and graphs with dyno measurements , after chip he got 299HP on the wheels , before it was 258 on crank .