Quote Originally Posted by 02BlueGT View Post
That combo, I could see getting into the 13's, While scanning, I can actually see when my Exhaust becomes a restriction (3320 RPM roughly on my motor) I believe with exhaust work, there is a lot to be had with the top swap without having to use small pullies
I'm starting on the 3.8" and going to see how tuning goes. It's modular, so swapping to another size is cake.