how much horsepower an arctic cat can have is just pending on the type of sled you got, like my sled is a 2008 arctic cat crossfire 1000 and its displacement is 999cc, 2-stroke, 162hp so its all...
You don't specify which model of Prowler. I did run across this on the UTV guide website:
The 2009 Arctic Cat Prowler XTZ 1000 side by side was introduced to dealers at the 2008 Arctic Cat Dealer...
I have a 98 ZR 600EFI and all the rexearch i have donei have found that they have between the 105-115 HP range from the engine, now changing the clutch wieghts and such can effect the HP you feel at...