gentlemanjim
More Wrenchin than Ridin
In my quest to subdue the audible volume of my exhaust. It sounds great from start up to 3000 rpm, it gets annoying around 4000 + rpm. I don't want to make a "Q" ship just more pleasent at 70 mph. I found these guys. It seems something like this can be homebuilt. Any suggestions.
http://http://www.smartpartz.com/SPZCB200DP.html
http://http://www.smartpartz.com/SPZCB200DP.html