I have RPS III......
My 1st RPS was holding up good until i hit the NOS earlier this year.It wasn't slipping at the time,but when we took it out i doesn't look like it had that much more life spand to it.My 2nd RPS III is in the car right now.So far i haven't run my NOS again......i will update how it goes when i do

My 1st RPS was holding up good until i hit the NOS earlier this year.It wasn't slipping at the time,but when we took it out i doesn't look like it had that much more life spand to it.My 2nd RPS III is in the car right now.So far i haven't run my NOS again......i will update how it goes when i do