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I have the 15" stock style from Antenna Source. No difference in reception at all.

No problems with mine after 3 months. Love the way it really brightens it up when reversing at night.

It might actually rub more. Gatorbacks bolt onto wheel well so leaves less room between tire and wheel well. My Denali I used to have rubbed with Gatorbacks but not with the GM mudflaps.

1999 Chevy Silverado LS 2004 Chevy Silverado LT 2009 GMC Sierra SLT 2015 GMC Sierra AT 2019 GMC Denali 2021 GMC Sierra AT4 (current)

I paid 500 for the sides only, already had the front end done before. Mine covers the bottom 1/3 or so of the truck. They did an outstanding job, looks great with no bubbles.

I love the Gatorbacks although kinda spendy. Pretty easy to install, took maybe 1 1/2 hours taking my time, took rear tires off to make it easier. Not the best but here's a couple pics

I found a local place that used the Xpel film and just got it done today. They were able to put it over the rock guard area and looks great, no bubbles. With the addition of Gatorback mudflaps hopefully won't have an issue anymore. Liquid Plumber AT4, thanks for the heads up on the Xpel film

I got the basic remote access through the app for just under $80 a year. Well worth it especially in the winter around here.

sold

Wow, thanks for the great reply. You really added to this discussion! Everyone I know that owns a 2019+ Chevy or GMC ( 8 different people) have had more rock chips than the previous ones they have owned. My 18 Silverado work truck has fewer rock chips at 85000 miles, at least 1/4 on gravel roads, than my 19 Denali had after 700 miles of which about 50 were gravel. Even my dealer has said they have heard more complaints then previous models.

message sent

I have a pair of red hooks from a 21 AT4 if anyone is interested.

The 19 Denali I traded had to have the bed aligned but thankfully my 21 is even. I will check out the Xpel film, found a couple of places that install it locally when searching online. The ones I contacted only used 3m on said it would leave bubbles. I would like to get the film on if possible, plan on keeping this truck a while and don't want to have to fight paint chips all the time.

The only problem is can't put the film on that area as the roughness of the rock guard ( as my dealer calls it ) would leave bubbles and look horrible, at least that's what I've been told by a few places I contacted. I had the same problem on my old 19 Denali twice on both sides of the box. First time the dealer warrantied it and repainted the areas as it happened with less than 400 miles on the truck. Second time about a year later they worked with me and I had them take that rock guard crap off the box, repaint it and than applied the 3M film. My new 21 AT4 got quite a few small ones in that same area after driving 23 miles on gravel over the 4th weekend while attending a funeral, the only time I've been on gravel since I bought it. There seems to be a problem with the paint on the 19+ Sierras, pretty disappointing considering the price of a new truck

Just installed spring things 2 days ago, easy to install. Completely silent now, work great!