The shark fin actually gets better reception than my old SiriusXM branded puck. I can pick up satellite signal inside my garage with the door closed. The antenna can be amped, bit I am using it unamplified. I haven't done much testing in rural areas, though.
I spent the past month adding sound deadening to the car. I lined the doors, trunk, floors, ceiling, and the partition between cabin and trunk. I used Noico 80mil sound deadening off Amazon. I found the product easy to work with, and the install was rather fun After I reinstalled the interior I found road noise to be greatly reduced and the quality of my sound system improved. Many of the rattles are now reduced as well.
While I was at it I upgraded my rear speakers. I installed Infinity Reference 6000cs components in the doors back in 2004, but I never replaced the stock rear speakers. Now the stockers are gone and replaced with Infinity Reference 6522IX 6.5" coaxials. I had to modify the rear speaker mounting plates to attach the included adapter ring.
Dang! That's a lot of work. I used the same stuff when I did my Forester, and it took me quite awhile. End result is well worth it though. Looks like you a did a great job, and I like the black stuff. Did you use polyfill throughout the car as well? Looks like some is poking out from the rear quarter.
I used about 3 1/3 boxes of product at 26 lbs per box. There was a some waste so I estimate about 75lbs. The polyfill is stuffed in the cavity above the rear strut mounts. I also shoved some old pillows in the rear quarter cavities to further absorb some of the sound from the rear wheel wells.
Here's a few more pics to show off. I got the windshield replaced. The old one was all dinged up to a point that it couldn't be polished. I got my insurance company to pay for new glass with no deductible. Sweet! The glass guy worked with me to get all the moulding clips installed properly before the glass adhesive set. Once he was done, I finally installed the roof mouldings, upper windshield mouldings, and new cowl panel. Buying all new OEM mouldings was pretty expensive, but the car looks almost brand new.