I ahev been in communication with the rangers at stoneyford and middlecreek. They run the sound tests at the enduros. They say a "Q" pipe has a 50/50 chance of passing the 101 db limit they enforce now. They also had the opinion that there was little chance of any blue bike passing the 96db limit that will be enforced on jan01 03. The CRD although has been claimed to have passed the usfs test for approval is still not legal in their eyes. I am adding a cobra sparky to the end of my crd pipe in the hopes of having a legal quiet pipe. This news was shocking to say the least and am going to talk to these guys more about testing procedures and possibilities.