Will I need a tune first?

[Grandpa]

Originally Posted by blownaltered It will be fine. I drove my old mustang to a shop to get tuned after I installed bigger injectors, mass air and a supercharger with the old tune still in it. So don't worry, just don't get on it and you will be fine, drive it normal.

This.



The only issue you could run into is if you didn't seal the intake correctly. Be sure to clean the gasketed area really well so you get a good seal and no vaccum leaks.