Looks great. I want this lol
I jacked it up just to make it easier to get in and out, I also had boomba's on my 08 civic si and jacking it up is the easiest way to do it. Especially if you have never done it beforeAs long as your side mounts are in place, you don't need to jack up the engine. If it's too hard just take the front mount off so you can push the engine forward a little.
I didn't use this mount, but I used Boomba's kit, with the top/bottom dog bones and front mount. I tried jacking the engine as an extra precaution (the kit specifies no engine support needed) and it was too hard. Taking the jack out made it 100% easier to get the bottom dog bone out.
Still, nice DIY!