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Discussion Starter #1
Gm has a new cat back exhaust coming out ,a high flow head with cams,and a high flow intake. anyone gunna wait for these parts?
 

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Discussion Starter #5
i wonder if you can retain the factory warentty
 

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Discussion Starter #7
well im a gm tech so i could do it at my work and i know my car would get warrantied but i meant for someone else.
 
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