Nice looking ride my friend and welcome to the group. I can tell the difference easily between touring and sport/track mode. I have gone into the Infotainment system like Sakudog explains and left my exhaust in "Wake the neighbors" mode and love the sound.
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2019 ZL1 Satin Steel Gray Metallic
2018 Yukon XL Denali Satin Steel
2017 Sierra SLT Z71 Artic White Tricoat
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