FP4 from Vance & Hines is a powerful flash tuner designed specifically for Harley-Davidson® motorcycles. This Android app, coupled with the required hardware, allows you to optimize the performance of your Harley by providing a range of tuning capabilities.

With FP4, you can download dyno tuned maps that are specific to your bike and exhaust system combination. This ensures that your Harley is running at its best and delivers optimized performance. Additionally, you have the ability to adjust individual parameters in your fuel and spark tables, allowing for fine-tuning of your bike's performance.

One of the standout features of FP4 is its AutoTune functionality. This feature automatically adjusts your bike's fuel and spark tables based on real-time sensor data, ensuring optimal performance in all riding conditions.

FP4 also offers the ability to read and clear Diagnostic Trouble Codes, providing valuable insights into your Harley's health. Furthermore, you can view live sensor data, allowing you to monitor various parameters and make informed decisions about your bike's performance.

If you ever need assistance tuning your Harley, FP4 allows you to upload your map to a Vance & Hines Customer Service Representative for review. They can provide recommendations and suggest changes to further enhance your bike's performance.

Please note that "Harley-Davidson" is a registered trademark of Harley-Davidson Motor Company.