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GMC Toolbox Tonneau Covers

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Extang Toolbox Tonneau Cover Reviews


Quality Economical Cover

Reviewed By aaron n (Sioux City, IA) Reviewed for a 2010 GMC Sierra —10/7/2011 10:32 AM

This cover so far has held up well. However on the tightest settings still flaps in the wind more than other covers I have owned in the past (Access, Truxedo). I decided after the first week to invest in a total bed seal kit from Access for my 2010 sierra crew cab and this decreased the flapping in the wind quite a bit, but it is fall and the temperature fluctuations are so broad right now, will have to see how it does this winter. Also wish they would've sent more extra weather stripping as it is hard to find the right width in the stores. Also the seal between the toolbox and the cover could be designed better on the ends so that the seal on the bed rail ends was better. I would recommend this more for smooth surfaced toolboxes instead of diamond plate surface like mine.

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