Ok I have a JDM ITR header, with the 2.5 inch outlet. its on a B16 in a 91 Integra. when its on my car, it hangs about 1 1/2 off the ground. every little bump i hit it scrapes. So Ive got it off and I want to cut the header tubes cut a little bit out and make them shorter, so it will fit better. Ive got my brothers neighbor who is an excellent welder(welds for a living), so I do not have to worry about the welding end of it. he told me to get it to the right length and he'll weld it. Now my only question is how much do I cut out? I have absolutly no money so getting another header is out of the question.