madengz Posted June 22, 2013 Report Share Posted June 22, 2013 Hey guys, i installed my Nelson tune on my 2002 Yukon Denali today. I toyed and played around for about 65 miles. Then went to the legendary Detroit street races later on that night i raced an trailblazer ss he spotted me 2 trucks and i dragged his a$$ by half a truck does anyone have a clue how much HP i gained? Link to comment Share on other sites More sharing options...
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