when you have a midpipe cut down to fit l/t's, what do you have to give thm to make it so they can fit it right? ill be doing l/t's and want to cut my p/c down and add cats to it, what do i need to do or tell the exaust shop.. cause im not gonna ride up there on open headers and a hanging catback. i know some ppl have done this.. what did ya do?