So i Recently got a 2015 Mustang GT Premium. I have some plans for it such as putting a supercharger, cat back and and Cold air intake. What are some things that i might need to go along with these?

 

if you buy a packaged supercharger, everything you need will come with it. minus the exhaust and cai.

 

+1 ^^^

Other than that, I'd recommend just digging around on this forum and see what others have done. They're usually very honest and truthful on what works and what doesn't.

Good luck, and welcome to the forum.