2025 Arctic Cat 858 stock dyno test pre and post actual breakin
we compare the Catalyst 858 torque and HP curve to the 850 Polaris and 850 SkiDoo
we compare the Catalyst 858 torque and HP curve to the 850 Polaris and 850 SkiDoo
Tested stock and with HotRod Sled Shop reflashes, new Jaws exh w/ stock ECU and HRSS Jaws reflashes
compare well broken in demo sled with Billy Howards 50 mile production sled