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      10-10-2013, 06:53 AM   #20
URBAN LEGEND
Champ
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Drives: '13 M5, '13 ZL1
Join Date: Feb 2009
Location: Houston

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The days of tunes and factory warranty are ending soon. I want to tune my ZL1 but Chevrolet will void warranty if I do so.

I believe Audi does the same. The manufacturers got tired of fixing vehicles that a shade tree mechanic tuned...