VANCE & HINES FP4 - M8 - 2021+ Softail & Touring Models - 66043

The Vance & Hines FP4 brings our legendary fuel tuning and performance to your 2007-2023 Harley-Davidson motorcycles, with all new features, and the ease of use you expect from Vance & Hines.

With its state-of-the-art Bluetooth enabled app-driven technology, FP4 empowers you to do 100% of your tuning right from the palm of your hand with your mobile device, backed by industry-leading customer support, all while maintaining 49-state emissions compliance and thereby keeping your Harley-Davidson factory warranty intact.

• Gives you the power to control every aspect of your motorcycle's tune, view live sensor data, read and clear trouble codes, utilize a live sensor data display, and support - all from your smartphone
• State-of-the-art Bluetooth enabled app-driven technology, empowers you to do 100% of your tuning from the palm of your hand
• Map optimization features include decel pop, throttle progressivity, idle, rev limit and speed limiter adjustment
• LEDs have been simplified so you know exactly what's going on between the FP4 and your motorcycle
• Access to download and flash Dyno-Tuned maps
• Vast library of available dyno-tuned maps
• Autotune feature available
• 49-state emissions compliant
• Made in the USA
  
  
  NOTE: Currently only supports Stage 1 components.

Fitment Guide

Specs