looking to trade for an exhaust

I have a set of nitto invo tires brand new 235 35 19 and 255 35 19 brand new never mounted with stickers still on it . 4 tires in total. no issues have same ones on my car left over from a current build. and am in need on an exhaust cat back and wondering if anyone needs new tires and has an extra cat back they are getting rid of something with low miles