Super Jet pipe?

[King of the Js550]

I want to get a pipe for my 650 sj but dont have the cash for a factory pipe whats the lowest cost pipe i can get that makes the best power..

 

[B0000M]

coffmans

 

[orangefinger]

-OEM 650 sx pipe mod with coffmans exhaust manifold
-Coffmans pipe
-Protec
-PMI ( rare but good )
-Riva Red

 

[DirtyJ]

coffmans

X2 Decent power for a fair price