If you have time, go for it. I personally don't like "sound additives" but it might be fun to mess around with.
I know I wouldn't do it, I'm very happy with the way my system sounds and that's the same question you need to ask yourself.

Also, my manager is making me clean the garage this weekend. I know exactly what you mean .

Tom


M80's VP150 QS8's Earthquake SuperNova MKV-15
Integra DTR-7.4 Outlaw 755 Outlaw M200's Outlaw ICBM