well in take exhaust will open it up and so would a chip which will do a lot for you after that would be a cam heads then boost it one way or another
__________________
._________________________
|.....Overnight.....................| ||
|........Japan Parts................||'|";,___. <~~~~~~~~~~~~~ \_ OH NO'S! It's Toretto!
|_..._...____________======||_|_|...,]------------------__/----\___
"(@)'(@)""'''''''''''''"'''"**|(@)(@)*****"(@)--------------~['(@)***(@)_'\