Thread: So, I added a pulley and a tune to my 2018 Zl1
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Old 09-10-2020, 08:32 AM   #13
KingLT1


 
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Drives: 2016 1SS NFG A8
Join Date: Aug 2017
Location: 46804
Posts: 7,665
Nice gains, but it's leaning over up top for sure.
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2016 NFG SS A8/Whipple 2.9/Fuel System/Flex Fuel
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