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Fit: 3.0 of 5 |
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Finish: 4.0 of 5 |
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Function: 3.0 of 5 |
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Performance: 3.3 of 5 |
| | | MX topper on 2015 GMC Sierra 8ft BedA.R.E. Mx Series MX Series : Chevy/GMC Silverado/Sierra
January 09, 2019 Posted by: Scott
I liked the ARE MX toppers on other trucks. That was my decision to buy this one. The outside finish is good and pretty well matches my 4yo truck. The interior is a rough fiberglass mat lightly painted over. There are some placed where the hard sharp fiberglass strands poke out, ouch. Some design problems: The topper lower interior lib behind the front passenger is too big. The C-clamp did not fit correctly. The dealer did the best they could. I fabricated a stop block to fit the clamp with improved bite. The tailgate lip has a gap at the topper rear window that traps leaves, just dumb. Fabricated a gasket to fix. Condensation rolls off the back window upper hinge, right onto the truck bed tailgate when opened. My friends noted that the Sierra and topper combination looks great. I get about 1.5 mpg better highway mileage (verses the LoPro tonneau on the bed) with the top, even when pulling my 20 ft boat. Must be better airflow over the rise on the MW topper.
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