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Exhaust or intake first?
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01-23-2020, 07:48 PM
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Coded4SS
Drives: 23 Zl1
Join Date: Apr 2019
Location: SO CAL
Posts: 461
Hmmmm ok options. Considering I'm still early in the warranty game I might just do the GM intake. Then once things seem fine for a bunch more miles do the other mods you guys suggested. Didint even know. Appreciated!
Coded4SS
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