I'm in the process of taking some "tastefull" weight out of my car as well. So far, I have 154lbs out, here's what I've removed:
rear seats, carpeting, qtr panels, sound deadening, rear seat belts, radio, speakers, A/C (completely, all hoses etc.), rear wiper, door panels.
I have yet to install the RS carpet kit, and I'm also putting in a Heigo roll bar (very light, will post weight when measured). Plus, I will be replacing the seats this spring. I'm hoping for a total loss of around 300#, to be offset by the new seats, RS kit, and bar.
The car is louder, as I did get a chance to drive it w/o any carpeting, but it wasn't loud enough fpr me to complain. I think the engine sound pad is still in place. It too will get the boot when I get around to it. I'll post some pics and actual component weights later. The sound deadening was by far the heaviest.
Also, the battery will be replaced with a 15# Odyssey unit. My goal is to have the car look "complete", hence the RS carpet kit.
Garen (87 930 track rat)