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Cobb · 08-19-2014, 05:08 PM

In sport mode the valves are open as it engine brakes. In regular mode it does not. Sometimes under heavy braking it reverts back to engine braking as you activate the second brake switch.

08-19-2014, 05:08 PM	#20 (permalink)
Cobb Master EcoModder Join Date: May 2012 Location: USA Posts: 2,643 Thanks: 1,502 Thanked 279 Times in 229 Posts	In sport mode the valves are open as it engine brakes. In regular mode it does not. Sometimes under heavy braking it reverts back to engine braking as you activate the second brake switch.