Can someone give me more info on this? I have an 04 full PPG level 1 + XPDI. Had never heard of this mod until randomly searching the boards last night. Haven't ran the ski in 5+ years (busy with work and other toys/ procrastinated on troubleshooting an issue) and ready to get back into it.

Is there anything else I can do as far as modifications go on a DI? Last I knew exhaust was not possible and I'm assuming still is. What about reeds? Also was reading something about polishing out exhaust manifold but lost track of the thread. The only thing to my knowledge that I haven't done would be a new pump.