5. Areas that needed immediate trimming were the tubes leading into themuffler--the instructions say they have to be shortened by 21/4 inchesfor first-gen applications. Cutting the tubes could be done with ahacksaw, but that'll wear you out fast, especially with the thick-wallstuff Flowmaster uses. Our favorite, the Sawzall, makes quick work ofpipes, but making perfectly square cuts can be tricky. Instead, we useda chop saw for accuracy. This one, made by Clarke and available fromEastwood, was reasonably priced and made accurate cuts in mere seconds.