I know the usual what one is the best, sounds the best, looks the best and what not. I am asking for actual proof that you have. So far I have been able to find this:

http://www.to4r.com/may03exhausttest.html

Great comparison for exhausts. Just wondering what else is out there. Is there any tried and true combinations for all out BPU performance?

Thank you,

Shane

Well it's not going to suck itself...