well its quiet during idle, and cruise, so maybe just a resinator?
Looking at my system I dunno where I would even add a muffler or resinator
talked to tom he suggested a High flow Cat since I have none and it might work
MagnaFlow Spun Metallic High-Flow Catalytic Converter
http://www.procivic.com/pages-produc...916/index.html
Here is a youtube clip of the header, I will make a better one later...
http://www.youtube.com/watch?v=SShKSksJwhc