Originally Posted by BadNivFX42013
I don't believe either of those 2 things really have to be upgraded with just a few simple mods. The exhaust and intake really don't add much HP/TQ, it's with the custom tune that the truck wakes up.
Stock engine should be able to handle about 20 more HP and about the same TQ. The tune isn't extreme unless you ask for it, so really it doesn't do much damage to those 2 things.
i agree man.
from what little i do know about tuners; tuners change the shifting personality of the transmission and other perameters.
correct me if i'm wrong...
but one perameter that is changeable is what gear the tranny shifts into and at what rpm range at what speeds it'll hold.