This is great! I'd recommend billet rear control arms. Widen rear wheels to 9.5" and get 305/45R18 drag radials. A return style fuel system with 2 big pumps. 80lb injectors or bigger. Other guys that have gone down this path can give more detailed recommendations. Good luck!!!
You "feel" the difference because you want to "feel" the difference. Since you just spent money on the upgrade you "have" to feel the difference
I'm looking to eliminate the double pump process I have to follow right now to get the pedal hard
2004 300A Procharger #0010 D1X
2003 300A Procharger #0017 D1SC (SOLD. Last I heard, it was in Washington State)