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GMPP Header
i had one on my 07 SS and i wish i spent my money elsewhere. it was heavy and still felt restrictive. i know a lot of people regreted spending all that cash just to keep the warranty, thats why i went with the gmpp but i wish i woulda got a pacesetter or Cobalt addiction header.
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z28addiction
Wanted - What to buy - All categories
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Sep 28, 2015 12:03 AM



