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GEN-4 850

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Weight Loss: -9 LBS

HP Gain: +5 HP

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Product Description


The all new Gen-4 850 is the most powerful and effortless sled Ski-Doo has ever released. We are very excited to do what we do best, increasing performance and making this most capable sled even more enjoyable. Coupled with our Double Walled Design which greatly decreases under the hood heat and also reduces harmful engine harmonics. HPS has proven their designs with supplying two decades of lightweight and durable snowmobile silencers. The New Platinum Lite Ceramic is a rich metallic finish rated for 2200 degrees and twice as durable as our previous polished coating.


  • 2017-2020 Gen 4 850 E-TEC / MXZ / Renegade /Summit
  • 7.2 lbs (-9 lbs weight reduction from stock)
  • Over +5 HP increase in the mid range (7200 RPM) and +3 HP on the top end (7950 Peak RPM)
  • Dyno tuned and field tested for best performance and durability
  • Platinum Lite Ceramic Coating rated at 2200 degrees
  • Bracket holes are pressed rounded for maximum life of rubber cushions
  • Webbed mounting brackets for maximum strength and weight reduction
  • D shaped bung for securing temperature probe
  • CNC mandrel bent inlet tube to fit stock heat shield (not necessary with platinum coating)

NOTE: All results are tested at complete break-in and stock parameters

(Passes SAE J-2567 sound test approved below 88 dbs 4000 RPM)

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Additional Information

Weight 10 lbs
Dimensions 24 x 8 x 13 in

Platinum Lite, Burnt Gold


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