With Hypertech's Max Energy you can tow up to the manufactures suggested limits in the highest power setting stage III. With Hypertech there is no need to back down to a "tow" tune when it's time to put your Duramax to work. Even with stage 3 EGTs will only be 50-100 degrees hotter than stock.
Max Energy Part # 32003
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Max Energy Part # 32003
