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Old 03-20-2014, 07:31 PM   #8
downtime!
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Join Date: Jun 2012
Location: Keller
Age: 61
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Not too surprising really. The stock airbox and exhaust are incredibly efficient on these cars. Mine made 410 with the canned VMP tune through the stock airbox and with the PypeBombs installed. Same setup I'm running again.
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