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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 Pro S 4 Side-by-Side (2025-2026)
The Polaris RZR Pro R 4, spanning the 2025 and 2026 model years, is a high-performance side-by-side vehicle powered by a 1997cc (2.0L) ProStar Fury engine consistently producing 225 horsepower. This naturally aspirated engine remains unchanged across these two model years. For 2025, the RZR Pro R 4 was available in Sport and Ultimate trims. This year introduced new styling and an enhanced interior, including solid doors with a double latch, new dual hood scoops, upgraded contoured seating, and a new dual retractor harness. The Ultimate trim specifically gained 15-inch wheels with color-matched beadlock rims and heated and ventilated seats. In 2026, the Sport trim was discontinued for the Pro R 4 line. Available trims include the Ultimate and the new Ultra Edition. The Ultra Edition is a limited-production model (500 units globally) featuring the DYNAMIX DVS Suspension system with factory-integrated electronically controlled hydraulic locking sway bar links. The 2026 Ultimate trim received a new vertically oriented 10.4-inch infotainment touchscreen and new Pro Armor Trekker tires. FAQ:
Q: How can I ensure this information applies to my RZR Pro R 4?
A: To confirm exact compatibility with your vehicle, please use the year and edition selector located at the top of this page.
Maintenance
| Component | Interval | Details |
| Initial Break-In Service (25 h / 800 km / 1 month) | First 25 h, 800 km, or 1 month (whichever comes first) | Change engine oil and filter; inspect and replace air filter as necessary; inspect cooling system fluid level and for leaks, add coolant if needed; inspect and replace drive belt as needed; inspect and clean spark arrestor; initial fluid level inspection for front gearcase and transmission, add lubricant if needed; initial fluid level inspection for brake system and for leaks, add fluid if needed, inspect pad wear; general lubrication of fittings. |
| Engine Oil and Filter | Every 50 h, 1 600 km, or 12 months | Change |
| Air Filter | Every 25 h, 800 km, or 6 months | Inspect and replace as necessary |
| Drive Belt | Every 50 h, 1 600 km, or 12 months | Inspect and replace as needed |
| Spark Plugs | Every 50 h, 1 600 km, or 12 months | Inspect and replace as needed |
| Coolant | Every 60 months or 8 000 km | Inspect fluid level and for leaks, add if needed. Inspect strength seasonally and pressure test the system yearly. Change every 60 months or 8 000 km. |