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2021Trailblazer RS AWD Scarlet Red Metallic
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Welcome to the forum! I don't know of anyone who has put them on an LS yet, but I'd probably start with the dealership and go from there. Maybe you can order them and install yourself? Do you have mounting holes on the roof?
 

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I installed factory roof rails on a Mazda suv. I had to drill 8 holes into the roof. It was held on with well nuts and adhesive. Not a project for the timid or inexperienced.

One small error and you're drilling through the headliner.
 

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New owner of an LS with a naked roof. Curious if anyone knows anything about getting roof rails installed. Would like to easily transport my kayak.

Thanks!
I bought a set of the OEM roof rails. There are eight rubber plugs in the rails that are for the screws on the cars rails that you will need to pull out to screw in the rails. I’ll post pics if your interested.
 

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2021 LT AWD
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MattCTB,
Welcome to the forum. I feel it would be best to contact a dealer for cost with installation. If you do not have the rails that run the length of the car, it is most likely going to require the headliner be partially removed for mounting access. You might be able to see if one of the aftermarket companies like Thule or Yakima offer anything that would manually clamp to the roof at the door frame openings.
When you get a chance, please post pics of your new ride.
 

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2021 LT AWD
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I thought all models had roof rails (the ones that go from front to back). With those, the installation of the factory cross-bars is very simple and I would recommend you avoid paying the dealer to do it unless you are very unsure of your abilities. I'd agree that if you don't already have the front-to-back rails (not sure what to call them), installation would probably be more difficult and best left for the dealer.
 

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I thought all models had roof rails (the ones that go from front to back). With those, the installation of the factory cross-bars is very simple and I would recommend you avoid paying the dealer to do it unless you are very unsure of your abilities. I'd agree that if you don't already have the front-to-back rails (not sure what to call them), installation would probably be more difficult and best left for the dealer.
The L, LS, and LT models do not have the front to rear rails


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2021 LT AWD
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My 21 LT also had them, so that's why I thought they were on all trims. For anyone else WITH these rails, psnyder53's picture shows two of the holes (with rubber plugs) where the factory cross bars install. I believe there are 8 total (2 on each side for each rail).
 

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Definitely looks more complicated than I'd personally want to attempt, but I'd check with your dealer's service department to see if they can print you out the instructions they get from GM. I think someone was able to get these type of instructions for the trailer hitch installation and I don't see why they'd refuse (unless they just wanted the money to install it themselves).
 

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Yea it’s a bit more involved than what I’m comfortable with doing. It looks like there are some rivets that need to be installed from the bottom of the roof. I’ll pass on that. My aftermarket cross bars designed for a naked roof do work pretty well even though they aren’t as clean looking.



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Discussion Starter · #19 ·
Yea it’s a bit more involved than what I’m comfortable with doing. It looks like there are some rivets that need to be installed from the bottom of the roof. I’ll pass on that. My aftermarket cross bars designed for a naked roof do work pretty well even though they aren’t as clean looking.



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These look great. Could you provide a link for them or where I can find them?
 
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