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Old 04-10-2019, 07:47 PM   #11
GT-ER
 
Drives: 2018 Camaro ZL1
Join Date: Feb 2018
Location: FW TX
Posts: 384
If you already have a 9.17 lower, just use a 3.75" upper and you should be at around 15psi with your setup.

Saludos Charlie!
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