I have been doing some research to try and find cheap Catalytic Converters for our cars running 3' exhausts. I like to think that we are doing our best to meet emissions, if your running E85 there is really no problem .. In case your not and you get a 240 summons from you local Boys in blue you can feel confident you wont have a issue http://www.supercatconverters.com/si...%264_45-48.pdf http://www.supercatconverters.com/si.../EURO_5_50.pdf HJS Hi-Flow 200 C.P.S.I. Universal Tuning Catalyst HD 9095 0182 - HJS North America, LLC : Hi-Flow Universal Catalytic Converters This one is hiflow hence the price lol.. If you put the item numbers of the Magnaflow into ebay US you get them cheap