i really need to do it, but i dont know the first step, if anyone knows of a site with detailed directions, or wants to be kind and write them here, please let me know, i have already taken off my main cat underneath the car, now one more question for there to be enough back pressure for the car should i have a straight pipe welded or just run a pipe with clamps, and muffler puddy or whatever its called, right now i have a piece of [censored] straight pipe underneath and i dont seem to get all the power out of my car, its running real bad, and real slow...any suggestions..thanks