i just got a set of 40's delivered to my door for 116.00 bucks from performance curve. found them on ebay or you can go to their web site. i would do ebay. go under exhaust,type in flow master, and their on the last page or two that come up. They are like 60 bucks a piece and when you click on it,it says make an offer or buy now. i saved ten more bucks. yeah a tried makin a lower offer but they would'nt take it hahaha