Never did this before,, anything I should know going into this ?
Just want to know the real numbers with my mods
cold air intake
4040Xl
MBRP duals
Juice

and that is it
2007 5.9 48re 4x4QuadCabLB3500 dually ( yes they can do it with the dualls on )

Thanks Ralph

 

you may see close to 400hp but, that would be pushing it. As long as who ever is doing the dyno knows how to load your turbo you shouldn't have a problem. Nothing you need to know... just show up and let it rip !