Thread: EFI Tuning LLC Flex Fuel update
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Old 12-20-2016, 01:45 PM   #60
jayb998
 
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Drives: 2016 2SS M6
Join Date: Oct 2016
Location: Wentzville MO
Posts: 50
i have a heads/cam long tube car would i still see the same 30-40hp gains on top of the parts already installed
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