i want to get a header for my s13 but im not %100 sure which one to get,hot shots are a little out of my price range.and i want one that will do more then my stock manifold does right now i was lookin on ebay and they have some ones that look decent for like $120 the outlets on those are 2.5 inches is that more then stock idk how big the runners are any suggestions whould be great thanks...