I have the Alpine 9885. It’s a good product, and the only performance difference is that the 87 has 7 equalizer bands. While the 85 only has 2.
When I’m looking for amps and subs, I basically just find what’s on sale.
I have 2 12" Rockford Fosgate Stage 2. That’s a pretty good price for them. I had to modify the box to fit over the wheel wells in my '06 Charger, so it may be too big for your Honda. However, they sell them in singles, also.
I can’t find my amp on Crutchfield, but it’s an MTX Thunder that’s rated the same as the subs.
When buying a car system, I basically decide how much money I can afford to spend, which is usually $1,000. With that, about $250 goes for each the head unit, door speakers, subs, and an amp. So, find some subs you like, then find an amp that’ll push it. I like to have my amp rated above the subs, so the amp isn’t straining and getting overly hot all the time. Other people like to have their amp rated below their subs, so they have less risk of blowing their subs out. Just remember, it’s not high volume that blows speakers, it’s a poor signal with lots of noise that does it.