Hey squid, I understand how the Exhaust brake works, But if you drive around with the brake on, doesn't the engine have to work harder to get the exhaust on, thereby using more fuel? Or am I looking at it wrong

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07 2500 4X4 MegaCab 6.7 Edge Juice W/Attitude EGR unplugged Intake Baffle MIA XRT TUNNER 5" TBE 6" AUSSIE STACKS (INSTALLING NOW)