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Old 04-20-2018, 10:05 AM   #7
Boost or bust
 
Drives: 2018 ZL1 M6
Join Date: Dec 2017
Location: CA
Posts: 301
Yup...my tuner said to put the stock one back on, so I did. Sold it. Made no diff. On my car. Also threw check engine lights, so why bother? Junk...
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