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    How loud is the corsa sport exhaust on the 6.2??

    I’m on the fence about ordering a corsa cat back system for my 2016 Yukon XL Denali. I installed a magna-flow 12909 muffler almost immediately after taking delivery of the truck back in 2016 but I’m ready for a change. I have watched lots of videos but have never heard one in person. Those of...
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    Corsa Exhaust

    Check for exhaust leaks at the fittings/clamps. If the system is a true full corsa cat back, Then it probably doesn’t have an exhaust valve.
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    160 thermo. Heat spike at 107° weather.

    Make sure your fan clutch is OEM/ACDelco, that can make a big difference.
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    New to me 08 Yukon Denali 6.2 from Buckeye AZ

    Congratulations! The GMT900 is a solid reliable platform. Not many issues with these trucks. Is it AWD or 2wd?
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    2.5/1.5 leveling kit help

    Correct. That is the standard rear suspension. I would look into suspension maxx, well built products made in the U.S.A. They have the exact kit you are looking for. 2.5” front/1” or 1.75” rear.
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    Pictures of 3 Yukon’s...Vote For Your Favorite!

    A definitely. Aside from looking good, “A” would hold its value a lot better.
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    What Year is Reliable

    Gmt900 get a Yukon xl Denali or Escalade Esv, AWD 6.2 can’t go wrong. Like someone mentioned. The early model 6.2 did not have afm which is better in my opinion. Of course you could always tune it out on the 09+.
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    Alarm ?

    These trucks do not beep from the factory or lock themselves. The only audible feedback you get from the factory is the horn. My guess is you have a aftermarket alarm installed. Check under your dash behind kick panel for any foreign looking wires.
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    Headrest or Ceiling dvd screens?

    Ceiling mount is best when you have occupants in the 3rd row.
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    OnStar - Worth It?

    OnStar has gotten better over the years. It comes in handy for vehicle location & remote functions such as lock/unlock etc.. plus it’s always good to have assistance at the push of a button. I believe they now offer a App that works basically the same. Minus the remote features.
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    Just pulled the trigger on 2011 Denali XL what should I add?

    Very nice! These were the last of the AWD. Definitely a solid truck, that 6.2 is nearly bulletproof if maintained. I would watch those CV joints since it looks lifted. Other than that enjoy!
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    Would you go 20” or 22” wheels and why

    you said it. Aesthetics and nothing else. Performance wise a smaller/lighter wheel is the way to go, less rotating mass & unsprung weight. The 22” wheel/tires on these suvs are tipping the scales at close to 100 pounds per wheel /tire.
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    2016 yukon denali are seats actual a/c ?

    The main difference I see is that the 15-16 MY have vents or heat extractors behind the seat and the 17+ don’t.
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    Intro

    Nice! I always loved the AWD system on this generation. It’s a shame GM doesn’t offer it on their new suvs.
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    Talk me out of it or into it

    The cam phasers are an absolute problem on the 3.5 gen 2 EB. Oil changes will have to be performed far more frequently than on the GM due to more stringent oil requirements (engine oil lubricates turbos) I have also seen a number of early gen 2 3.5EB engines over heat while towing...
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    On star: problem with one or more lights.

    I recently installed philips led reverse lights and license plate led lights on my 2016 Yukon XL Denali. Everything has worked flawlessly. A few days ago I received a email from onstar saying there was a problem with one or more lights on my Yukon. I called onstar so that they could run a...

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