Quote Originally Posted by Langer View Post
>70dba if you strap them to that radiator.

The muffler solution sounds interesting... I'm not sure how effective it will be - how do you plan on doing this... I hope not just silencing the exhaust.
Ive seen muflers which use noise cancelling technology (similar to the headphones) I was thinking I'd buy one of those strip out the noise cancelling gear (microphone, speeker and probably some kind of signal processor) and mount it inside my case

http://auto.howstuffworks.com/muffler6.htm