What's a Comparable Tonneau Cover to the BAKFlip MX4 for a GMC Sierra?


Sean: Hey. So I just got your email today. I was out after we spoke yesterday. You had a BAKFlip before. What kind of cover are you looking at? Are you looking at wanting to do a BAKFlip again or something comparable?

GMC Sierra Owner: I liked the BAKFlip. I just needed to fit. It seems like it's about a half inch too short. I've been working with James, and he's in the same email, and we tried a lot of different variables. I've tried to push it all the way up against the truck, like the directions call for, then it's a half an inch too short in the back. So I've got a gap that I could just about stick my pinky fingers through. If I try to split the difference and then it leaks on both hands and then I sit it the way it's supposed to at the tailgate. Then it doesn't have enough lip on the front and it's half inch too short up there so that leaks up there. So that's how we got to where we are.

Sean: Right. Let me see here. I think I sent an email about drilling some holes in the cover.

GMC Sierra Owner: I liked that actual style for it that flips. And that one holds like three or four hundred pounds distributed, and it doesn't fade because it's the poly stuff. I've read that the aluminum ones chip and then you can see the aluminum underneath. So that's the reason I was trying to get the poly or whatever you call it.

Sean: Did you get my email about drill some holes in it?

GMC Sierra Owner: Yeah, I figured that ... so they just want me to just randomly go through there and drill holes and then get rid of it and send pictures.

Sean: Yeah. Destroy the cover. 

GMC Sierra Owner: That seems unfortunate. 

Sean: I know man. I actually worked for Undercover, which is BAK's sister company. Just the whole process, getting them back, having people go through and make sure they're good, chances are they're going to be scratched. You know what I mean? It's just more work.

GMC Sierra Owner: I love the cover. I just don't want her to leak.

Sean: No, I know. Here's the tough part of the conversation here. So we tried the BAKFlip. You're set on that style I hear, because of the finish and because you feel it's going to be a better finish. I can't agree or disagree. I've never heard of the flaking problems that you're having and I worked for them, you know, so I, I've never seen that personally. It might be something new on the MX4. MX4 is kind of a new cover. I wasn't around the whole time during that.

GMC Sierra Owner: It's just what I've saw on the Internet.

Sean: Right, but what I was going to say is, I can get you the credit on this one as soon as you give me those field destroy pictures. And then what I'd honestly like to get you into is the Undercover Armor Flex. Unfortunately, it's a little bit more money. 

GMC Sierra Owner: Tell me about it. What's it's specs?

Sean: Okay, so what it is, it's going to be the same exact look as your BAKFlip. The only difference is, it's got a five-year warranty because it's got Linex on top of the cover. So the cover looks just like your BAKFlip, but it's got that Linex coating. So you could take a key to it and go back and forth on your cover, you're not going to scratch it. It's something new they started doing. Like I said, five-year warranty. It looks exactly the same. The only difference is whenever you fold it all the way up, it stands in the 90 degree angle instead of leaning against your cab. So it does tend to block that third brake light on some vehicles. I'm not sure if it will on the new Sierra, but that's the only difference between the Undercover and the BAKFlip product, are those three things. The warranty, the finish and the functionality.

GMC Sierra Owner: What causes it to not lean against the back window? Because that one comes just underneath it. I have a camera near the third light. It's a digital LED camera that's in there. That's how I see out my back window.

Sean: Right. Well here's a little bit of inside knowledge. So an Undercover historically made a one piece ABS Tonneau cover, okay? We obviously realize that industry is going towards the folding. So what did we do? We saw BAKFlip and we said, okay, we're going to start making that. So the leaning against the window is something that was either patented or something of that nature to where we couldn't do that. So that's why it stands at a 90 degree angle. It's held by prop rods, and they work flawlessly. Again, I don't know how often you drive with it all the way up, and they are really easy to remove if you know you're going to be driving with it all the way up, if that's going to be a a common occurrence for you.

GMC Sierra Owner: What stops it from leaning forward to try to hit the window if you break or take off?

Sean: Well, I mean they've got the prop rod on either sideand they're quick release prop rods, but they've got like a ball stud in the rail and then a ball stud on the cover itself.

GMC Sierra Owner: Okay. And it's still basically three folding pieces. And what's the weight that it holds?

Sean: The weight on that one I believe is going to be the same as BAKFlip. They don't actually mention it here on their website unfortunately, but I believe it is four to 500 pounds evenly distributed, of course.

GMC Sierra Owner: Okay. And it says that it fits my truck and install the same way without me having to drill holes in my truck?

Sean: Yes sir.

GMC Sierra Owner: Okay, well I'll give it a try.

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