I know this a duramax forum. I have a buddy that trade his 1998 12 valve for a 2001 24 valve. He put a smarty so3 on it and we took it to the drag strip run a 11.10 in the 1/8 mile. Which he was not happy with now he is wanting to stack a chip on it. His wife ask me to help her find him one for his bday. So do any of you guys have any good ideas of a good chip. I'm not to happy with the fact of stacking but there ain't many choices for this truck.( please no bashing for the stacking). He would really like to keep the smoke out put low as he can
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