Originally Posted by cdc

I don,t run a RB k10. Though i recommend using a RB #6 turbo plug or o,donnell 97t. 30% fuel. RB 2045 tuned pipe.

Originally Posted by Chris Peralta

You can always peek in the JL .21 thread in here as they are basically the same engine. A lot of guys have been trying different pipes and head shims in theirs but I have not kept up on what people like the most.