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Old 07-15-2018, 11:26 AM   #11
F1FTY

 
Drives: 2018 ZL1
Join Date: Oct 2016
Location: At the Dealership
Posts: 1,019
Rotofab will work fine without a tune. Fuel trims were in the acceptable range even with a ported TB/IM.

CAI on the other hand...
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