Originally Posted by ror0
Renntech headquarters in Florida told me that you are not going to get an increase above 15 - 20 HP in a Standard or Limited Crossfire (NOT SRT-6) no matter what company's chip you use because MB sets the specs closer to the maximums now during production. .
If this is true, the chip mod is hardly worthwhile (5-10% h.p. increase) the effort and dollar cost.