I'm around 8k with 5th wheel in the back and me, 200lbs
I have a 2008 dually, PVC reroute, Fass 165 LP,Rob tunes Efi live, PPE 3in down pipe and Flo pro 5in strait pipe exhaust. CTS2. HSP Y bridge and egr delete kit.HSP 3 inch hot side intercooler pipe,Trans jr kit and deep pan. Airaid intake. Deleted filter head.