HOT ROD SLED SHOP ARCTIC CAT EFI TUNES FOR BIG HP GAINS!

HOT ROD SLED SHOP DEVELOPED TUNES FOR THE 2025-26 ARCTIC CAT 858 TRAIL MODELS: WE HAVE DEVELOPED TUNES FOR THE 858 WHICH OPTIMIZE FUELING WHILE MAKING 10 HP ON THE STOCK PIPE AND 16 HP WITH JAWS PIPE & Y-PIPE. THE SLED HAS A CHANGED PERSONALITY BY OPENING THE POWER VALVES SOONER, CHANGING THE TIMING CURVE, AND RICHENING SEVERAL PARAMETERS OF THE ECU TUNING. THIS IS A VERY RESPONSIVE SETUP AND SIMPLE BOLT-ONS FOR A NICE POWER GAIN AND RIDING EXPERIENCE. CLUTCH KITS ARE AVAILABLE THAT HAVE SIGNIFICANT GAINS OVER STOCK IN ACCELERATION AND BACKSHIFT. A TORQUELINK DEVICE IS REQUIRED TO FLASH THE TUNES AND IS $299.99, AIRBOX MODS REQUIRED AND AVAILABLE AS A KIT FROM HRSS FOR $39.99.