ECU Tuners

Optimize the fuel mapping of your UTV, control the camshaft timing, and remove all speed governors with a Polaris RZR 4 ECU Tuner from Everything Polaris RZR! While Polaris RZR 4 ECU flashes and ECU reflashes are great, it’s often nice to have a plug-and-play Polaris RZR 4 ECU tuner installed so you can mix things up on-the-fly when you’re in the heat of the moment behind the wheel!



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We think it’s a real shame that some Polaris RZR 4 owners have never experienced what it’s like to ride with a fully tuned engine. Tuning your Polaris RZR 4’s engine is the only way to unlock its full capabilities. It may feel intimidating to get in and mess around with things like your engine’s fuel to air ratio and radiator cooling fan speeds, but the benefits will forever change your relationship with your Polaris RZR 4. Here at Everything Polaris RZR, our mission is to simplify engine tuning. You don’t need to be a mechanical expert to tune up your Polaris RZR 4’s engine! With an aftermarket ECU tuner, tuning your Polaris RZR 4 to perfection has never been easier.

In order to make tuning your Polaris RZR 4’s engine as simple as possible, we’ve partnered with top brands in the aftermarket UTV industry to supply the ECU tuners you see here such as Trinity Racing, Aftermarket Assassins, HMF, Dobeck, DragonFire, and Moose. These brands have done all the hard work so you don’t have to by coming up with the optimal tunes and specs for your Polaris RZR 4. You can get fuel tuners, custom tuned powervisions, controller specs, fuel controllers, auto tune systems, and system specs for your Polaris RZR 4’s engine. You won’t believe what some of these custom tunes will do to your riding experience. Look no further for custom ECU tuners for your Polaris RZR 4 than right here at Everything Polaris RZR!

Looking for a fuel tuner for your Polaris RZR 4? We recommend the Polaris RZR XP 1000 Fuel Tuner For Stage 5 Exh by Trinity Racing. This tuner features on the fly air and fuel tuning for your engine. It comes ready to go with pre-programmed tunes for use with Trinity Racing exhausts. Installation is a breeze with its plug in technology, and its push button interface makes it very user friendly. Another great way to optimize your Polaris RZR 4’s fuel intake is by using a fuel controller. The Polaris RZR XP 900 PyroPak Fuel Controller by DragonFire is one of our favorites. This tool gives you full control of your engine’s fuel settings, ignition timing, and rev-limiter from the palm of your hand. This fuel controller can be plugged into your computer to allow for further tuning with the provided computer software. Use this fuel controller to get your Polaris RZR 4 going like never before!

Want to optimize your Polaris RZR 4’s riding performance with the help of custom tunes? A custom tuned powervision is what you need. The Polaris RZR XP Turbo Custom Tuned Powervision by Aftermarket Assassins is a great option. This tuner allows you to choose five different custom tunes to give your Polaris RZR 4 huge gains in horsepower, throttle response, and power delivery. Optimizing the performance and efficiency of your Polaris RZR 4’s engine has never been simpler. This ECU tuner is every UTV enthusiast’s dream. And if you’re looking to load up more custom tunes for your powervision tool, check out the Polaris RZR Custom Powervision Tunes by Aftermarket Assassins. Aftermarket Assassins has done all the hard work to ensure that these tunes are optimized to give your Polaris RZR 4 the perfect upgrade in performance and efficiency that it deserves.

If you’re into racing your Polaris RZR 4, using an ECU tuner becomes even more important. The right custom tunes for your engine could give your Polaris RZR 4 the extra edge it needs to cross the finish line before everyone else. And when you’re racing, you need every advantage you can get. The ECU tuners you see here at Everything Polaris RZR will give you that extra edge whether you’re racing or not. If you aren’t optimizing your engine’s performance and efficiency, you’re leaving money on the table. And by using custom tunes that are pre-loaded onto our side by side ECU tuners, you don’t need to be an expert to get the most out of your Polaris RZR 4. Stop settling for less than what your Polaris RZR 4 is capable of. Unlock your Polaris RZR 4’s maximum potential by ordering an aftermarket ECU tuner from Everything Polaris RZR today!

Tune your clutch for faster engagement, tune your exhaust to reduce turbo lag, and rid your machine of those pesky limiters that restrict its performance. With an ECU programmer for your Polaris RZR, you can take the guesswork out of optimizing your setup. Be it an RZR XP Turbo Tuning Kit from Sparks Racing, a hand-held home ECU Tuner from SuperATV, or an exhaust tune from HMF Racing, when it comes to tuning your Polaris RZR 4, there’s no better place to start than Everything Polaris RZR. What are you waiting for? Get an ECU Tuner and begin boosting your performance today!

Trinity Racing leads the charge when it comes to the ECU Tuners that you want on your RZR 4 XP Turbo, the RZRS 4 S1000 or even the RZR 4 XP1000. This brand, which is respected industry wide for its daring and innovation once again proves its prowess with these stage 5 tuners that blow the door wide open on the possibilities of turning your machine. They are easy to install and easy to monitor as well as to adjust. Whether it is fuel tuning or monitoring and adjusting the effects of your last tune-up, these tuners are what you need as a recreational or professional rider. Change the way you ride by adding one of these ECU Tuners to your ride. Have your machine respond to you in a more tailored manner and enjoy an improved performance from your Side by Side that you didn’t imagine possible.

Looking for one of the best options to get maximum power out of your stock or modified Polaris RZR 4? Want to increase horsepower, torque and throttle response and get rid of rev and speed limiters while ensuring that air/fuel ratios are safely controlled? Get your Polaris RZR 4 seater tuned up and running right with a Polaris RZR ECU Tuner from Everything Polaris RZR. Not only does a Polaris RZR ECU Tuner help to improve the performance of stock machines, but ECU programmers can also be tailored to specific modifications, netting you the best performance possible from your 4-seater Polaris RZR. Whether you’re looking for a flash job or are interested in compiling a data log of your performance metrics, a Polaris RZR ECU tuner can do the trick. Is the engine in your RZR running hot? A custom tune can help with that by activating the radiator fans and other cooling components at lower temperatures to prevent your rig from overheating.

Shop: 2022 RZR 4 ECU Tuners

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