I am not trying to start a fight here just trying to get some information. I have alots of bits of information but not sure what to do with all of it so maybe you guys can help. This is what i am looking for. Where pipes fall performance wise. I know they all give performance and there is alot of different info on that.

example
pcs pipe: Great low end performance 70 and 90 low rpm
snyder pipe: great top end performance 70 and 90.
drr 90 pipe: good 50 pipe with stage 6

all infor will be helpful.

would like to know hetrick gen 2 falls also kool kids pipe. all major brands would be great though.