I'm looking to get a new set of headers. I can only find two. hooker or headman. The basic difference between the two is the hookers are a bigger tube. Does anyone have any expierence with these two headers? I know big tubes are beter for higher RPM's. I'm thinking that the smaller tube headers could run equally well because the 2v heads flow fairly well. If anyone has any expierence with either of these two headers, please share your advice. I'm only looking to add about 100HP to the stock numbers.