This give you a great tuning reference

06-25-202 - '17-UP 850 ETEC SUMMIT LOW ELEVATION

This ceramic coated stainless exhaust was engineered to gain horsepower

especially under demanding conditions

Spark Plugs / XPT (2 pack) Category_Default Category/SLED/Clutching/Ski-Doo Sled Clutching This give you a greatThese NGK plugs are a must have for your boosted XP turbo! Adding extra boost creates more heat which can cause detonation. Running a colder plug lessens the risk of detonation in your higher boost motor. We recommend using these plugs with any of our tunes especially when going above level 3. Gaps come pre set for the XP turbo. Colder NGK Plugs for XP Turbo Reduces the chance of detonation in higher boost motors Recommended with any BMP tuning, and