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1995 Lexus LS400, I was told at the emission station and then by Midas Mechanic that the lower EGR tube (pipe) is cracked and needs to be replaced. I understand that one of the bolts holding the tube is difficult to reach. Anyway, I was trying to get a replacement tube. The dealer will sell it around $200. I couldn't find any place else to buy it. Does anyone know where I can buy EGR lower tube at affordable (relatively speaking) price ($200 for 8" pipe is too steep). ??