EZGO RXV Stage 2 Tuner – Golf Cart Speed & Performance Upgrade

The FastRXV Stage 2 Tuner upgrades compatible EZGO RXV golf carts with improved speed, acceleration, and throttle response. This simple plug-in programmer allows you to quickly apply performance settings that significantly improve the driving experience of your RXV.

Installation takes only a few minutes and requires no tools or permanent modifications to the cart.

Stage 2 Performance Improvements

With the Stage 2 RXV tune you can expect:

• 25.5 MPH top speed (often higher with larger tires)
• Fast acceleration
• More responsive throttle feel

These settings are designed to provide a noticeable performance improvement while maintaining smooth drivability.

Each tuner is designed to program one compatible cart.

Important Compatibility Information

This tuner is designed specifically for EZGO RXV golf carts equipped with Curtis controllers.

Does NOT work on any TXT models.

Compatible models include:

Diagnostics Port Information

Some carts may require a Diagnostics Port Repair Kit. Please check our compatibility page to determine whether your cart needs the repair kit before programming.

Important:
Do not plug the tuner’s square connector into a round diagnostic port, as this can potentially damage the controller.

FastRXV tuners should only be connected to white square diagnostic ports.

Quick Installation

Programming your cart takes less than a minute.

1. Turn the cart off

2. Plug the tuner into the diagnostics port

3. Turn the cart on and wait for a solid orange light

4. Turn the cart off and unplug the tuner

Programming the cart typically takes less time than locating the diagnostics port.

Search Engine Stuff:

Compatible EZGO RXV tuner for RXV Fleet, RXV Freedom, RXV ELiTE lithium, RXV Shuttle 2+2, RXV Valor, and RXV Valor 4 golf carts.