It's kind of hard, but at this point, just keep you cool. Be polite, but don't let them walk all over you. Emphasize that this was discovered prior to the tuner shop installing anything & was just brought to your attention. Speak to the GTR tech directly and let him know that you don't care how it happened under his watch, just get it fixed and installed like it was suppose to.
If the tuner shop was at fault, wouldn't you think they would try to hide it? attempt to fix it or own up to it? They had no way of knowing it was installed by the dealer.
Tell them a replacement is available from Stillen and you just want this situation resolved.
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[09][MB][6-Spd MT][Touring][Stillen Gen III][K&N][Borla CBE][Evo-R]
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