Ok, I need to know the best and most economical way to fix my fuel to air ratio running to rich. The only engine mods I've done are the ram intake and the jspec camshafts. I'm assuming it's the camshafts causing the change. I burned up one cat converter, then a second with less than 2K on it. I was looking at the AEM F/IC but thought I better ask from someone who's been there. Has anyone had this problem and can you tell me the best way to correct it?