I don't know much about the 700 but,,,, with aftermarket exhaust I think they are mandatory, if you are not looking for power It may not be worth the time..
If you are looking for low end power do you have a modified sheave? My stock sheave shipped to JBS (WV Hot Rod Rhino) today, I am going to try his cut with the grease-less weights..
My ride: 2015 RZR S 900! Pearl Black
Tell all your good friends www.MAGOffroad.com Its where you want to be.. lol