Fat Albert 04 Yukon XL 8.1L Tow Rig
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Did the baseline Dyno today on the local heart breaker.. Made 278hp/ 358tq peak @ the wheels. The pull with the stair step in it was with the stock tune and the other one was with the 91octane tune we did. K&N cold air intake, 180* stat, and a muffler, custom 91 octane tune.
Last edited by lsxperformance; 02-18-2016 at 09:44 PM.