| my dad put it on his gas truck except he made his own and it cost him like 4 bucks. it got him 21 mpg when it used to get like 17. i wanted to do it on my dmax but dont want to screw anything up.
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2001 Chevy Silverado 2500 HD duramax LB7, 5 inch, with a PPE economy tuner 120 HP add, and pillar gauges. |