Recommend some Maintenance Modifications to extend the longevity of a GT from 05-09. I could care less about gaining HP i just want my baby to last as long as possible and be healthy.

 

What's the mileage on the car?
You could take a look at my mod list for some ideas:
​​https://www.angelfire.com/my/fan/Mus...6GT/Parts.html

Here are some potential engine upgrades you could perform in the future, or simply replace existing worn parts with upgraded items:
​​​​https://www.angelfire.com/my/fan/Mus...GT/Engine.html

For the cooling system, the GT500 electric fan/shroud is a perfect upgrade if your stock fan eventually calls it a day.