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Description
Make your UTV even better with a stage 1.5 Kit from Dynojet. Reap the benefits of improved drivability, more filtration, and less restriction putting the competition in your dust. Tap into more horsepower to the ground (WHP) than stock and optimized performance for the ultimate ride. Power Vision 3 eliminates the clutter and puts you in total control of your UTV's performance, allowing you to flash your ECU from anywhere Kick up dirt — don't let it into your engine, with the S&B air filter for your off-road machine. This reusable filter gives you a clean engine while enhancing performance.
Dynojet never stops innovating and the goal to pair the perfect performance products together is found with the Stage 1.5 Kit for your UTV. Power Vision 3 is the performance secret the dealers won't tell you about. We've raised the bar when it comes to what you should expect from a handheld ECU flash delivery tool. Power Vision's easy-to-read, no-nonsense display puts performance at your fingertips, empowering you to choose from our vast library of pre-tested tunes or to build one yourself. The Power Vision device updates the tables directly within the ECU to optimize the air/fuel ratio, keeping you in sync and in control. When you're back in the garage, your performance data can then be clearly seen using our Power Core software to help you improve your ride. The Power Vision device holds multiple tunes at once and allows you to optimize your ride for power, speed, or fuel-efficiency. After you've flashed your ECU, you can either unplug the device or head out with Power Vision attached as an extra instrument panel. Power Vision easily connects to the diagnostic port, so installation won't keep you away for long. The Replacement Air Filter for your UTV helps you supercharge your fun. This specially designed filter is comprised of the ultimate in off-road filtration media to deliver maximum efficiency while holding the most dust out of your engine. 9.57% better flow compared to the OEM filter and up to 30.37% more capacity, this filter keeps you working harder for longer with less maintenance – even clean it with compressed air and water when needed. Installation is quick and easy!
FEATURES
- The best air filtration and best tuning device wrapped together as one product
- Intricate Power Vision 3 tune developed to work with the stock or Dynojet air filter setup
- Greater filtration surface area compared to the OEM filter
- Cleanable, reusable filter
- More power, more clean!
- ISO 5011 tested to show 99.99% fine Dust protection
- Less restriction plus up to 30.37% better capacity and 9.57% better flow than stock
- Can be mounted as a real time diagnostic tool for information as you ride
- One-year warranty and unlimited tech support
Technical Specifications
- MFG. Part Number 91022006
Vehicle Information
Polaris RZR S4 900 Side-by-Side (2018)
The 2018 Polaris RZR S4 900 is a robust four-seat recreational side-by-side, powered by an 875cc engine delivering 75 horsepower. For its 2018 model year, this vehicle was primarily available as a single model, commonly equipped with Electric Power Steering (EPS). Aesthetic variations included color options such as Black Pearl and Ghost Gray, which did not signify mechanical differences. The 2018 RZR S4 900 was largely a carryover from the previous year, with no significant mid-cycle generation or engine changes reported. While Polaris introduced other new models in its broader RZR lineup that year, the RZR S4 900 continued without major updates, maintaining its established platform. FAQ:
Q: How can I ensure this part fits my Polaris RZR S4 900?
A: Please use the year and model selector on this page to confirm the exact fitment for your specific vehicle.
Maintenance
| Component | Interval | Details |
| Engine Oil and Filter | Initial: 25 hours or 1 month. Regular: 50 hours, 1 600 km, or 1 year (whichever comes first) | Always change the filter when changing the oil. Vehicles subjected to severe use require servicing at 50% of the stated interval. |
| Drive Belt | 50 hours, 1 600 km, or 1 year (whichever comes first) | Inspect and replace as needed. It is recommended to inspect the drive belt every couple of months for wear. |
| Spark Plug | 50 hours, 1 600 km, or 1 year (whichever comes first) | Inspect and replace as needed. |
| Engine Air Filter | Initial: Inspect and clean. Regular: 50 hours, 1 600 km, or 1 year (whichever comes first) | Inspect and replace as necessary. Ensure proper installation of the filter and airbox cover, and inspect ducts. |
| Coolant (Cooling System Fluid) | 50 hours, 1 600 km, or 1 year (whichever comes first) | Inspect fluid level and for leaks. Inspect coolant strength seasonally and pressure test the system yearly. |