I know there is always a debate on this, but quickly...whats the HP improvement on a N/A new edge with LT headers being added to a car that already has 250rwhp (full intake (tb plenum)) and X pipe + catback? (my buddy wants LT's now that he saw mine) whats the HP improvement on my car with a KB blower and full bolt ons?

 

crap wrong section....no i dont want it in the poopar

 

with FI......eh, maybe 25-30?