thanks to Rick d at AM,he looked into my issue with the minor defect in exhaust tips,we both fully agree that it is rare to have any issues with roush products ,also agreed it would suck to not have your new 16 gt for for a few days.he resolved the minor issue very profesionally and quickly.its great to see good American buissinesses standing by there names,there products and there customers,thanks again Rick d,American muscle and roush.