HMF Dobeck AFR+ Gen 4 Optimizer for Polaris RZR XP 1000

The AFR+ brings together two technologies within one system to make it the most powerful, user-friendly tuning device on the market. AFR+ combines an EFI controller with a wideband O2 sensor and AFR gauge to provide a user instant fuel trimming ability and feedback about their vehicle's state of tune.

Compliments all fueling solutions

The AFR+ can handle ALL your fueling needs or COMPLIMENT ECU downloads or already installed EFI controllers. The AFR gauge allows you to KNOW exactly how well your tune-up is performing. The EFI fueling allows you to CONTROL any necessary fine tuning without spending more money or valuable time.

On-the-Fly Tuning

Push button interface to adjust 6 different modes
4 LEDs to indicate current operating zone
Instant adjustment while you are out riding

Fully Programmable

The AFR+ is programmable using an IrDA adapter. Setups are developed through an online tuning environment called POWERLAB. The AFR+ can be changed to be an add-on fuel trimmer or a complete EFI controller.

No Dyno Required

Users can make adjustments out on the road. KNOW your AFR with the gauge and then CONTROL the fuel trims. AFR+ makes a novice an expert tuner.

Open & Closed Loop

Uses DP's Load Based Technology to break down a vehicle's drive cycle into easy to understand adjustment zones. Full range and automatic tuning available to target the user's desired AFR value.