My friend has a 1991 5.0 GT. It's a daily driver for him. He wants to do something big to it but doesn't know whats better suited for a daily driver. Which route should he go? I don't know much about it, what should I tell him? His current mods are:
-Coldair intake
-UPR O/R X
-Flows
Thanks.
-Coldair intake
-UPR O/R X
-Flows
Thanks.