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GMC Sierra Tonneau Accessories

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Latest Customer Reviews

UnderCover Swing Case Truck Toolbox Reviews

Good, but not great!

Reviewed By Joseph P (Woodbury, MN) Reviewed for a 2014 GMC Sierra —11/6/2014 4:40 PM

Very easy to install, latch works great, but honestly thought they would be of much higher quality at the $350 price range. Only used them a couple times now, but they hold everything I need plus some. I do wish the design of them were a little narrower too. They stick out past the wheel wells a 1"-2" which don't allow you to put anything 4' in the back like plywood, Sheetrock or a 4-wheeler.

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Extang MaxSeal Tailgate Seal Reviews

Waiting to see...

Reviewed By John C (RIO RANCHO, NM) Reviewed for a 2015 GMC Sierra —11/1/2014 2:30 PM

I recently installed this seal on my 2015 Sierra. The instructions were poorly written, so I'm not sure how it is going to actually seal. I'm waiting to see...

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BOLT Tailgate Lock Reviews

Easy install

Reviewed By Adam C (Wallingford, CT) Reviewed for a 2013 GMC Sierra —10/21/2014 5:29 AM

I bought this locking system to replace another locking system that failed. Works like a charm- don't let someone steal your unlocked tailgate- worth every penny

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