i got the american thunder 2.5 kit with stainless tips coming....and i want to take my old system off now just to hear what it sounds like...with a o/r h and nothing else and so next spring i can bring it out to a place with a lift to throw the kit on.....so w/ a floor jack hows the easiest way to get the tail pipes off??? should i cut them into sections... i d so where should i cut i dont want to be cutting and get through to see i went through a fuel line or something haha