trying to see what the best performance gear ratio I could go with for my 4.7 ram i have a cold air intake and headers installed already

 

Welcome to DF. Moving you to the correct location now.

For future reference:
https://dodgeforum.com/forum/dodge-r...ead-first.html

 

I installed 4.56 in my 07 1500 4.7 and love them. I went from an open diff with 3.55 to a limited slip with 4.56, its a little pricey if you're 4x4 but any gear install isn't cheap. If you do decide to do gears make sure whoever does them is experienced with the chrysler 9.25 diff.