Straightline Performance Ski-Doo 850 Turbo Stage 3 ECU Flash
Straightline Performance Ski-Doo 850 Turbo Stage 3 ECU Flash is backordered and will ship as soon as it is back in stock.
Shipping & delivery
Usually ships in 2–3 business days unless a different lead time is shown on this page. Shipping cost is calculated at checkout (UPS or USPS to the contiguous U.S.).
Shipping policy · Returns · Fitment questions? (561) 207-7988
Delivery and Shipping
Delivery and Shipping
Standard order processing is 2–3 business days unless this product or your order confirmation states a different lead time. Custom-built, made-to-order, backorder, and pre-order items follow their stated lead times.
Enclosures and subwoofer boxes ship for $50 per unit. Other shipping charges are calculated at checkout. Orders outside the contiguous 48 United States may require additional shipping; we will contact you for approval before shipment.
Subwoofer boxes ship UPS Ground where available. Read our Shipping Policy and Return and Refund Policy for delivery, product-specific return windows, and warranty details.
Straightline Performance Ski-Doo 850 Turbo Stage 3 ECU Flash
Straightline Performance Ski-Doo 850 Turbo Stage 3 ECU Flash is backordered and will ship as soon as it is back in stock.
Description
Description
This Stage 3 competition ECU flash for the Ski-Doo 850 Turbo delivers up to 205 horsepower on 91 octane pump gas, with plug-and-play installation through the factory diagnostic port. The package includes a clutch kit, intake and charge tubes, and all calibrations set for the new power level, so the sled runs reliably without extra boxes or wiring.
Built for 2024–2027 Ski-Doo 850 Turbo models, the flash sharpens throttle response and boost control while adding diagnostics, data logging, and phone-based tuning for riders who want to fine-tune their setup.
| Brand | Straightline Performance |
| Product Type | ECU Flash |
| Compatibility | 2024-2027 Ski-Doo 850 Turbo |
| Horsepower | Up to 205 HP |
| Fuel Type | 91 Octane Pump Gas |
| Installation | Plug-and-Play via Diagnostic Port |
| Included Components | Clutch Kit, Intake and Charge Tubes |
| Weight | 6 lbs |
| Dimensions | 12 x 12 x 12 in |
Fitment & installation
Fitment & installation
Check the selected part against your vehicle. Need help? Call (561) 207-7988.
Selected part: 141-113
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Read FOX’s application notes for part 987-24-001 (rear shock)
Payment & Security
Payment methods
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