
mdf21
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About mdf21
- Birthday November 16
Profile Information
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Location
Columbia, MO
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Gender
Male
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Drives
2021 GMC Sierra 1500 Denali
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mdf21's Achievements

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mdf21 started following Denali with RC 3.5 level/lift pics , Lifter issue: TSB PIP5776E - published June 18 and Rough Country 3.5” Lift
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i have one on my sierra. works as advertised. install was fairly easy. followed a youtube video
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Post Your Cool Feature Discoveries On Your T1
mdf21 replied to Big E in TX's topic in 2019-2021 Silverado & Sierra
interested in this if you have more info to share -
What Have You Done With Your T1 Today ?????
mdf21 replied to Sierra Dan's topic in 2019-2021 Silverado & Sierra Mods
Added a light kit to the multi pro tailgate. Got this one on Amazon vs the GM kit at half the price and larger LED modules -
What Have You Done With Your T1 Today ?????
mdf21 replied to Sierra Dan's topic in 2019-2021 Silverado & Sierra Mods
I haven’t messed with them yet but two trips in the dark after the install and I haven’t been flashed by oncoming traffic yet so it’s either not too bad or the shop adjusted them already. I’m gonna keep an eye on it and adjust if necessary -
What Have You Done With Your T1 Today ?????
mdf21 replied to Sierra Dan's topic in 2019-2021 Silverado & Sierra Mods
It’s pretty close to level with just a tiny bit higher in the back. Here are my before/after measurements to the wheel well: Before Front left 36.5 Front right 36 5/8 Back left 39 Back right 38.5 After Front left 39.25 Front right 39.25 Back left 40.5 Back right 40.5 -
What Have You Done With Your T1 Today ?????
mdf21 replied to Sierra Dan's topic in 2019-2021 Silverado & Sierra Mods
Thanks. 275/60R20 same as factory. No rubbing at all -
Show Us Your 2019 & Up T1 Pictures !
mdf21 replied to Sierra Dan's topic in 2019-2021 Silverado & Sierra
My ‘21 Denali. Added RC 3.5” lift, nitto ridge grapplers, undercover flex tonneau cover, tinted the windows. -
What Have You Done With Your T1 Today ?????
mdf21 replied to Sierra Dan's topic in 2019-2021 Silverado & Sierra Mods
Got the 3.5” RC lift kit installed on my ‘21 Denali. Should help with the ground clearance hitting the woods and the ride is just like factory -
Got my 3.5” kit installed this week. As others have said, ride is just like factory and gives me the stance i was wanting
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Looks great
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Show Us Your 2019 & Up T1 Pictures !
mdf21 replied to Sierra Dan's topic in 2019-2021 Silverado & Sierra
That’s what I wanted to hear. Looks great! -
Show Us Your 2019 & Up T1 Pictures !
mdf21 replied to Sierra Dan's topic in 2019-2021 Silverado & Sierra
@bell1658 is this the RC 3.5” kit for the ARC suspension I’m assuming since you have a high country? I’ve been wanting this for my Denali. Thoughts on it? -
Denali with RC 3.5 level/lift pics
mdf21 replied to jfletcher's topic in 2019-2021 Silverado & Sierra Mods
Post pics and thoughts when you get it installed -
Denali with RC 3.5 level/lift pics
mdf21 replied to jfletcher's topic in 2019-2021 Silverado & Sierra Mods
Interested in this kit also -
Show Us Your 2019 & Up T1 Pictures !
mdf21 replied to Sierra Dan's topic in 2019-2021 Silverado & Sierra
Traded in my 2018 GMC Sierra SLT (w/ Denali grille) for a 2021 GMC Sierra Denali. Dealer gave me more than what I paid for the '18 a year and a half ago so it was hard to turn down. Loving the new 10 speed. Scheduled the window tint this week. Kept my Ridge Grapplers from the 18 and will swap at some pint. Probably end up doing a level kit along the way as well.
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