Fatt Azz Ceramic Expansion Pipe for Ski-Doo 850 E-TEC NA // SKU: 01-214-C

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$689.95 USD
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LIMITED STOCK NOTICE: Quantities are strictly limited due to extremely high demand. If this item shows as out of stock, new expansion pipes are actively in production. Please call Bikeman Customer Service at 715-483-3003 for current replenishment ETAs.

Fatt Azz Ceramic Expansion Pipe for Ski-Doo 850 E-TEC NA // SKU: 01-214-C

Primary Application: Ski-Doo 850 E-TEC naturally aspirated (NA) models (REV-Gen4 & REV-Gen5 Chassis).

Unlock broad-powerband horsepower gains, hard-hitting mid-range torque, and higher peak shift RPM on your Ski-Doo 850 E-TEC with the Bikeman Performance Fatt Azz Ceramic Single Expansion Pipe. Engineered specifically for the 850 E-TEC engine architecture, this high-volume expansion chamber optimizes exhaust gas scavenging to eliminate mid-range hesitation and carry maximum horsepower straight through to top-end speeds.

Finished in a heavy-duty Polished Chrome Ceramic Coating rated up to 1,300°F, this high-temp thermal barrier builds internal pipe heat rapidly for consistent backpressure and gas velocity while dramatically dropping under-hood operating temperatures.

Key Performance Features

  • Broad Powerband Gains: Delivers a massive boost in mid-range torque and carries peak horsepower further into over-rev without power fade.

  • 1,300°F Thermal Ceramic Coating: Show-quality chrome ceramic finish keeps critical heat trapped inside the expansion chamber to maximize scavenging efficiency and protect under-hood components.

  • 91-Octane Pump Gas Safe: Engineered to run safely on standard 91-octane pump fuel as a direct bolt-on performance upgrade.

  • Digital Tuning Compatible: Delivers strong bolt-on gains on stock mapping, while fully unlocking maximum dyno potential when paired with Torque Link ECU calibrations.

  • Direct OEM Silencer Fitment: Mates directly to your factory OEM muffler or any Bikeman Performance slip-on silencer using stock ball-joint mount locations.

Elevation & Internal Stinger Selection Guide

To ensure optimal internal pipe backpressure across all riding environments, select the correct drop-in stinger insert based on your primary operating elevation:

  • Low Altitude Stinger (0–3,000 ft) // Part #: 01-214-L: Standard-flow stinger designed for low-elevation trail and crossover riding where ambient atmospheric pressure is high.

  • Mid Altitude Stinger (3,000–6,000 ft) // Part #: 01-214-M: Mid-restriction stinger engineered to restore lost pipe pressure for transitional mountain riding.

  • High Altitude & Race Stinger (6,000+ ft & Race) // Part #: 01-214-H: High-restriction stinger designed for high-mountain elevations or drag racing where rapid pipe heat buildup is required.

Product Specifications & Critical Fitment Rules

  • SKU: 01-214-C

  • Finish: High-Temperature Polished Chrome Ceramic Coating (1,300°F Thermal Barrier)

  • Engine Fitment: Ski-Doo 850 E-TEC Naturally Aspirated (NA) engines across REV-Gen4 and REV-Gen5 chassis platforms.

  • CRITICAL TURBO EXCLUSION: Designed EXCLUSIVELY for naturally aspirated (NA) 850 E-TEC models. Will NOT fit or function on Ski-Doo 850 E-TEC Turbo or Turbo R models.

  • Stinger Selection Note: Proper interchangeable stinger selection (01-214-L/M/H) is required to maintain proper backpressure and prevent power loss at altitude.