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Silber Turbos
Ski-Doo (Lynx) G4 850 Turbo Kit 2017-2022
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$3,750.00 USD
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Ski-Doo (Lynx) G4 850 Turbo Kit 2017-2022
Description
The Silber Turbo G4 850 Turbo Kit is a complete, bolt-on forced induction system engineered specifically for Ski-Doo and Lynx G4 850 platform sleds from 2017 through 2022. Designed from the ground up with three core goals - high performance, reliability, and affordability - this kit delivers genuine turbo power without the complexity or cost traditionally associated with forced induction snowmobile builds. What truly sets this kit apart is Silber's proprietary ECU reflash technology: rather than relying on external control boxes or manual tuning, the factory ECM is reflashed with a custom dynamic map that automatically accounts for manifold pressure, elevation, temperature, RPM, EGTs, and more in real time.
The result is a completely tunerless riding experience - pull the rope and go, just like a stock sled, but with dramatically more power on tap. Installation requires no cutting, welding, or drilling, and can be completed in as little as 3-5 hours by a sled-familiar rider. Whether you're charging backcountry terrain or looking to dominate a trail run, the Silber 850 kit is the most accessible and capable turbo upgrade available for the G4 platform.
Key Features
- Proprietary ECU Reflash: The factory ECU is reflashed with a custom dynamic map - no tuning boxes, no manual adjustments needed at any elevation or boost level. Just pull the rope and ride.
- Tunerless Operation: Dynamic fueling map accounts for manifold pressure, exhaust valve position, both injector sets, spark timing, temperature, RPM, and EGTs in real time - fully automatic.
- Adjustable Boost (3-12 psi): Kit ships preset at 7 psi. Swap included wastegate actuator springs to run anywhere from 3 to 12 psi - no tools beyond the included spring-swap tool required.
- External Wastegate: External wastegate design delivers the smoothest, most spike-free boost delivery possible - the same setup found on top-tier kits from any manufacturer.
- No-Cut, No-Weld Installation: The entire system is designed to install without any modification to the sled - no cutting, welding, or drilling required.
- 304 Stainless Steel Exhaust: Fully polished 304 SS exhaust system engineered to enhance performance while minimizing noise, exiting at the OEM belly pan location for a clean, stock-appearing install.
- Custom Molded Silicone Charge Tube: Silicone charge air tube runs cooler than aluminum, flows smoothly, and fits with an OEM-like appearance and fit.
- Cold Air Intake: Lightweight, high-impact modular plastic intake routes cold air directly through the stock hood vents for maximum turbo efficiency.
- Enhanced Oil Pump Lubrication: Silber is the only turbo kit manufacturer with the ability to increase oil pump output, ensuring proper engine lubrication under boosted conditions.
- Model-Year Specific MAP Sensor Spec: Available in 2017-2020 and 2021-2022+ configurations to ensure the correct MAP sensor spec for your sled's ECU.
Intercooled vs. Non-Intercooled & Which to Choose
- Non-Intercooled (Standard): The standard kit ships without an intercooler. Based on over 24 months of real-world kit sales, 98% of customers have run this configuration with excellent results. This is the right choice for the vast majority of riders seeking maximum performance, simplicity, and a clean install.
- Intercooled: The intercooled variant adds charge air cooling for riders who want every degree of intake temperature reduction available. Best suited for those pushing higher boost levels or riding in warmer conditions where charge air temps may become a factor.
What's Included
- Turbocharger assembly
- 304 stainless steel polished exhaust system
- External wastegate
- Wastegate actuator spring (preset 7 psi), plus 3 lb and 5 lb alternate springs
- Spring-swap tool
- Custom molded silicone charge tube
- High-impact modular plastic cold air intake
- All hardware and components needed for a complete installation
Note: Your sled's ECU must be sent to Silber Turbo for a proprietary reflash as part of the kit purchase process.
Why You'll Love It
The Silber G4 850 Turbo Kit has earned a reputation among serious snowmobilers for delivering on its promises - big power, rock-solid reliability, and an install that doesn't require a custom fab shop. Silber's years of forced induction experience on Ski-Doo platforms, starting with the Pro RMK 4th generation kit, have been poured into this system, and it shows in the details: a fully dynamic ECU map, enhanced oil pump control, and a no-compromise external wastegate. Riders who've made the switch consistently report impressive belt life and trouble-free operation across a wide range of conditions and elevations.
At its price point, no competing turbo kit for the Ski-Doo 850 offers this level of engineering, ease of use, and performance. Silber keeps margins lean because their goal is simple - get more riders boosted and having fun on snow. If you're ready to transform your G4 850 into a mountain and trail weapon without the usual turbo headaches, this is the kit built for you.
Product Specifications
View Product Specs
| Compatible Models | Ski-Doo G4 850 / Lynx G4 850 (2017-2022) |
|---|---|
| Boost Range | 3-12 psi (user adjustable via wastegate springs) |
| Factory Preset Boost | 7 psi |
| Wastegate Type | External wastegate |
| Exhaust Material | 304 Stainless Steel, fully polished |
| Charge Tube Material | Custom molded silicone |
| Intake Material | High-impact modular plastic |
| ECU Reflash Required | Yes - ECU must be sent to Silber Turbo |
| Intercooler Included | Optional (standard kit ships without intercooler) |
| Installation Time | 3-5 hours (experienced sled mechanic) |
| Cutting/Welding/Drilling Required | No |
| Brand | Silber Turbo |
FAQ
Do I need to send my ECU in for a reflash?
Yes. When you purchase the kit, you will need to send your sled's ECU to Silber Turbo for a proprietary reflash. This custom map is what makes the kit tunerless and allows it to automatically manage fueling, timing, and boost control across all conditions. It's a critical part of the system and cannot be skipped.
What boost level does the kit come set at from the factory?
The kit ships with the wastegate actuator preset to open at 7 psi. Silber also includes 3 lb and 5 lb alternate springs, allowing you to run lower boost levels if desired. Swapping springs is simple - use the included tool to pop open the wastegate, swap the spring, and go. No tuning or recalibration needed.
How long does installation take?
For someone familiar with snowmobiles, installation typically takes 3-5 hours. Some experienced customers have completed the install in under an hour. The kit is designed for a no-cut, no-weld, no-drill install, which keeps the process straightforward compared to other turbo systems on the market.
Does the kit come with everything I need to get on snow?
Yes - the kit includes everything required to get your sled running properly on boost. The only additional step is sending your ECU in for the required reflash. If you plan to do the install yourself, Silber also offers reflash and clutch tools separately for those who want them on hand.
Can I install this kit on a high-mileage sled?
You can, but it's important to make sure the engine is in good mechanical condition first. Check compression, clean the exhaust valves, and inspect your reeds before installing a turbo. A turbo will not compensate for a motor that isn't running correctly - and adding boost to a worn engine can accelerate existing issues.
How has belt life been with the 850 turbo kit?
Belt life on Silber's G4 850 test sleds has been surprisingly strong. Most sleds run great on stock belts with minimal issues. That said, if your sled is already chewing through belts in stock form, that problem should be addressed before installing a turbo - boosted output will only amplify existing drivetrain stress.
Do I need to retune when I change elevation or boost levels?
No - that's one of the biggest advantages of the Silber system. The proprietary ECU reflash uses a dynamic map that automatically adjusts fueling, timing, and other parameters based on real-time inputs including elevation, temperature, and boost level. Whether you swap springs to change boost or ride from sea level to high alpine terrain, no manual adjustment is needed.
Thank you for trusting us with your order! This product is shipped directly from the manufacturing warehouse to get to customers all over the U.S. as soon as possible!
While many of our products are prepared and shipped out within 48 hours, some of our items are built to order or require custom pieces that could take 2-6 weeks to prepare before shipping! Please contact us at 888-884-2234 for a delivery ETA if you have a strict timeline.
Thanks!
Omaha Sports & Games Team
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase. To start a return, you can contact us at service@omahasportsandgames.com.
If your return request is accepted, it will be up to you as the buyer to return the item in its original packaging, unworn and unused. You as the buyer will be responsible for paying the return shipping. We may be able to assist you in scheduling a pickup for return but the payment will still be your responsibility. You can always contact us for any return question at service@omahasportsandgames.com.
All products are subject to a minimum 15% restocking fee based on the quality of the returned product and packaging.
Items opened, tested, used, or any other non-new condition may be eligible for return based on the manufacturer's return policy.
Shipping Damages and Issues
You must inspect your order upon reception and refuse delivery if you see damage. DO NOT sign for delivery if there is apparent damage to the product. If you sign for the delivery and later claim shipping damage, there is very little we can do to help.
If your order does not require signing at delivery and is instead just dropped off at doorstep with damage, contact us immediately with photos of the damaged boxes.
If your item(s) is defective, damaged or if you receive the wrong item, contact us immediately so that we can evaluate the issue and make it right.
Exceptions / non-returnable items
Certain types of items cannot be returned, such as custom products, special orders or personalized items. Please get in touch if you have questions or concerns about your specific item.
Unfortunately, we cannot accept returns on sale items, gift cards, or multiple product bundle discounts.
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