Hits pretty hard in my opinion! I actually have it dialed down a bit because when I first installed it, I had things turned up a bit and it was too much. Yes, I have the larger screen. I'm running the Uconnect audio equalizer at 0-0-0. (I have the TSB update for earlier 2019 builds that improves the HK system immensely.)
At first, I disconnected the audio cable from the sub behind the rear seat and ran that to the new dual subs. So however much power the stock amp puts out to the stock sub is what was driving the new subs. However, I was experiencing quite a bit of clipping, so a week or two later, I put in my own amp but still use the cable from the stock sub to drive the new amp. One might think that would overdrive the new amp but no, the amp I bought has input adjustments and I have it dialed down. It is operating quite well!
I mounted the amp behind the new sub box, on the sloped area. There was room there for the amp. There is also room on the flat spot in the middle underneath the rear seat. Someone else here mounted his there. He used a PAC AmpPro to tap into the audio in his set up. That's another nearly $300 and you have to pull the Uconnect dash display to tap into things, something I wasn't up for. He says it's not that difficult but I wanted to avoid the expense and trouble if possible so I went the way I described.
All that said, the SuperCrewSound box (
https://www.supercrewsound.com/02ramCCdual.html) ran me $169 plus shipping. I went with dual 10's and the black carpet color. I had to remove the fold down thing under the rear seat and one other piece under there to get the box to fit like I wanted. If you go with that box, be sure to adhere to their request that you specify the make and model of the subs you will use. They will custom cut the holes to fit your subs. The ones I went with are a bit over-sized diameter-wise, and they cut the holes perfectly for me.
I did a lot of research on shallow subwoofers, and now, I think I could have gone with some that were a little deeper but... Anyway, I read some good things about the Pioneer TS-SW2502S4 subs and the price was right. In fact, I found them one Saturday at Walmart.com at $69 each! Right now they are $75 so still a good deal. Previously, I'd been leaning toward some JL Audio's or some other higher end brands but for the price, I figured I would give these a try. I was not disappointed!
All in all, I've never been a huge Pioneer fan but I also found good reviews on their GM-D8601 amp. So what the heck, I bought that too.
I did not initially use the power on cable for the amp and went with the auto sensor thing instead. (I had good luck with that in my previous set up from MTX [their Thunderform] in my F150.) I'm noticing a minute or so delay for the amp to come on so I'm going to wire the power on cable from the amp to the fuse panel under the steering column next weekend. I ordered a fuse tap that I read about here or the other forum and it will be here in a few days. I already have the wire as part of the kit below.
In addition, I needed a cabling kit. And I went with this one on Amazon.
https://www.amazon.com/gp/product/B076XVD2YT/ref=ppx_yo_dt_b_asin_title_o02_s02?ie=UTF8&psc=1
So all in all, I guess I spent around $500, maybe a little more. Most other guys are spending quite a bit more but I'm pretty happy with this set up. I'm into some good bass that I can really feel, and I'm happy with this set up.
