Xtreme Performance Dyno has been simply removing the Tstats from last year's RMK800 and this years Dragon 800s. This allows unrestricted coolant flow in parallel through front and rear heat exchangers. Bill Davis reports that this drops coolant temp to max of 100-110...

I have a batch of Power Commander PCIIIs w/ factory-style plug-in ECU connectors for Dragon 800s coming in on 10/17. Currently I have maps that we created here for max pump gas HP for stock pipe (drops fuel flow from 110 to 95 lb/hr and adds 10 HP), BMP stock pipe...

There's a good post on HCS Polaris IQ forums by an educated guy requesting correction factors used by OEM and aftermarket companies, and independent dyno testers like me regarding HP results on the new 09 Dragon 800.When I borrowed $50,000 22 years ago to acquire this...