GMC Sierra Flowmaster Super 10 vs Stock

My truck got a new muffler on er

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GMC Sierra 5.3 Flowmaster Super 10 Series Before & After!





Flowmaster super 10 "2008 GMC SIERRA"
I just installed my new Muffler Flowmaster Series 10 on my 08' GMC Sierra 3 inch inlet 2.5 dual out, the sound is aggressive and nice for a V8 5.3! sorry with the shitty quality recorded by Xperia Pro





Flowmaster Super 10 Exaust GMC VS Dodge
2002 Dodge ram 1500 4.7 33" Nitto Terra Grappler with Flowmaster Super 10 2009 GMC Sierra Z71 4X4 3.5" Rough Country Lift 34" BFG KM2's 17" Worx Beast 803 SuperWinch Tigershark 9500 Westin Sportsman Brush Guard IPCW 3rd Brake light





loudest 5.3L with straights
This is my 5.3L v8 with true duals straight Exhaust.




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