What did you do to your 21+ T1XX today?

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JayceeP

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Approved the factory order for my Pearl Beige Yukon XL SLT!
 

Jimbo123

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I'm toying with the idea of removing the Corsa and going back to stock. Every time I go to leave in the AM and one of my kids is still sleeping, I wake them up :doh2:

Maybe I should put it up for sale, considering I have both head pipes so it can fit a standard Yukon AND Yukon XL. Someone make me an offer that's near the Chicagoland area!
Well, I think I've made up my mind after waking my kids up again both days this weekend. Let's get this Corsa exhaust to another forum member - $1000 OBO!
 
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Vladimir2306

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Easier said than done at 5:30am on weekends when I head out to run.
It seems to me that in such conditions it was best to make a controlled exhaust. You press the button and you get a roar and a roar, press it again and you get a standard quiet exhaust
 

tagexpcom

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Just added Autostop to my 2021 Yukon Denali 6.2L - https://www.autostopeliminator.com/collections/gm/products/2021-gmc-yukon-yukon-xl - AE029 harness. Very professional, first rate unit, plugged in like it was OEM.

In my case, I pulled the bottom panel and side panel as in youtube BUT... I don't have a small panel above the AC vent. The screw was on the side toward the driver's door. Removed the screw and then the panel with autostop button pulled out - it has plugs that keep it in place. Easy access after that.

Took me 10-15mins and I was being slow - And it works!
 

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