i want my next mod to be a set of headers, i want the headers to make the majority of the tourqe and horse power at the lower rpms 1500 to 3500 as the magority of what i do (offroading) is at or bellow this rpm range, what experiense have you all had and what do you recomend? i dont want to spend more than $450 for some good headers with strong flanges to handle the abuse i give them any suggestions?