My KK is the first vehicle I've had with a sunroof. I like it but the air buffeting can be loud and annoying sometimes. I've considered getting the air deflector for the sunroof (see http://www.mopar-accessories.com/en-US/82210699AB/partinfo.aspx?DivisionId=1&Year=2008&VehicleId=24&CategoryId=1003&pc=35649&GroupId=2023&SubGroupId=3279) but I don't know if this works very well. It isn't cheap so I don't want to buy one if it is a waste of money.

I tried to find this answer with a search but everything seemed to be about how to deal with air buffeting if you don't have the deflector (openning various combinations of other windows).

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2010 Liberty 4x4 Limited
Trailer Tow Group, Sunroof, Skid Plates

1999 Wrangler Sahara
2" Teraflex lift with flexarms, ARB air lockers Front/Rear, Skid Plates, BFG 31x10.50 ATKOs

Bump.

So does the lack of response mean nobody has one of these?

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2010 Liberty 4x4 Limited
Trailer Tow Group, Sunroof, Skid Plates

1999 Wrangler Sahara
2" Teraflex lift with flexarms, ARB air lockers Front/Rear, Skid Plates, BFG 31x10.50 ATKOs

I don't have one on my ride. I find the stock pop-up deflector works well. I don't get much, if any, buffeting, unless I pull down the pop-up deflector by hand. Which I have been known to do just to bug the kids. After I lock out their window controls.
Is your pop-up deflector not working properly?

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07 KA Light Khaki, Manual trany.
2.5" Adjust-A-Strut JBA lift, Euro taillights,
Home made; Front Tilt Hood, Roof Rack, RAM Air, & CAI.
ESP Off Switch
Take a ride on the Trō side!

you want to buy the mopar deflector? why not get like a weather teach of an AVS off ebay. much cheaper and they will do the job

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08 Revenge- Rock Lizard (Skink Sliders & Gecko Roof Rails), High Clearance Trimmed Front Bumper, Mopar skids, Riddler Diff Cover, JBA (5.5 Arms, 6" rear Springs, Front Adjust-A-Struts), 32" DuraTracs, Superior 4.56's, Front & Rear ARB Lockers, Fastman Throttle Body, AEM Intake, Hypertech Tune, Custom Ram Air, RunCool Louvers

I don't know if the pop up deflector is working right. I do get buffeting when I open the sunroof (unless I just pop up the rear of it). It is fairly loud but not unbearable. I'm finding that I am avoiding openning it wide open and I'm just popping it up because that is a lot quiter.

As for the Mopar version or an aftermarket one like AVS, I really don't care which one. If really they work to make things quiter, I'll look for the least expensive quality option. I already have an AVS bug deflector and that is fine so I'd be happy to go with AVS again.

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2010 Liberty 4x4 Limited
Trailer Tow Group, Sunroof, Skid Plates

1999 Wrangler Sahara
2" Teraflex lift with flexarms, ARB air lockers Front/Rear, Skid Plates, BFG 31x10.50 ATKOs

Give this a try and see what happens.
Open the sunroof all the way (going 45+) and then reach up with your right hand and pull down the stock pop-up deflector. You should notice a very distinct difference.
When mine is open there is wind noise caused by the pop-up, but when you pull it down... Man it feels like your ears are going pop, pop, pop, pop, pop...

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07 KA Light Khaki, Manual trany.
2.5" Adjust-A-Strut JBA lift, Euro taillights,
Home made; Front Tilt Hood, Roof Rack, RAM Air, & CAI.
ESP Off Switch
Take a ride on the Trō side!

Thanks, I'll give it a try.

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2010 Liberty 4x4 Limited
Trailer Tow Group, Sunroof, Skid Plates

1999 Wrangler Sahara
2" Teraflex lift with flexarms, ARB air lockers Front/Rear, Skid Plates, BFG 31x10.50 ATKOs