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Old 07-22-2020, 09:11 AM   #34
Ants.ZL1
 
Drives: 2020 ZL1 1LE Shock 1968 Pontiac GTO
Join Date: Apr 2020
Location: WA
Posts: 51
Quote:
Originally Posted by Stoner View Post
don't really care if its STD or SAE, my guess is it's a base line number for him if he decides to mod the car. What surprised me is not a big difference between exhaust open or closed. Expected a much bigger loss with the exhaust closed.
Exactly how I feel!! The exhaust also amazed me.

Ant
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