Considering switching to shorty headers, ORX, and magnapack mufflers. My longtubes (cheapys) are pieced and are leaking, on top of the fact it's ORH instead of ORX. I got them off another car so I can't complain about being free, but I'm considering going to shortys in order to also run EGR again since all my egr is is tape around the plunger. I'm considering it, not sure on the power difference. I know that longtubes make a large difference over stock, but i've never run a set of performance shortys. What kind of difference will I see here.