I'm not sure why you want to turn the TQ down, if the object is to make more power. Give it a safe-for-the-motor tune on pump. Now if you were running massive mods and meth or E-85 that could be a different story. Just my 2 cents after running the same setup for 50k miles.
A would also agree on the new turbo inlet hose. The factory hose will be almost sure to rip sometime, if it hasn't started already.