2011 GMC Sierra 6.2 6.2l liter black bear tune run intake exhaust

First run with the BB tune, K&N Intake, Magnaflow Muffler.

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2012 Gmc Sierra 6.2 vs 2010 Dodge Ram 5.7 Hemi
Did a few runs before winter

6.2L Sierra Denali True Dual Flowmaster 40's
Stock: 0:00 Flowmaster: 0:44 Before and after sound clips of my 2011 GMC Sierra Denali with a 6.2L V8 Exhaust work was done at Lou's Custom Exhaust in Kingston NH

Procharged 2011 GMC Sierra 6.2 Getting into it
Just playing around on a back road

Copy of 2005 Silverado Z71 Corvette Servo & Blackbear performance tune
My 2005 Silverado Z71 w/ a Corvette servo, blackbear 93 octane performance tune and a Dynomax bullet 12" casing 3" inlet to a y pipe to 2 4" tips.