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Wuiquen · 04-14-2021, 12:43 AM

I feel like these exhaust modes are backwards. Why close the valves at higher RPMs versus opening them up while keeping them closed at lower RPMs?

04-14-2021, 12:43 AM	#8
Wuiquen Drives: 2018 Hot Red ZL1 Join Date: Nov 2010 Location: Los Angeles, CA Posts: 3,616	I feel like these exhaust modes are backwards. Why close the valves at higher RPMs versus opening them up while keeping them closed at lower RPMs? __________________