The Vance & Hines FP4 brings our legendary fuel tuning and performance to your 2007-2024 (check fitment) Harley-Davidson motorcycles, with all-new features, and the ease of use you expect from Vance & Hines.

📝 Note: Vance & Hines is slowly phasing these FP4 models out and moving to the FPX Tuner With Trak. 

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.

See the fitment tab to choose the correct part number for your ride.

* Not legal for sale or use in California on any pollution-controlled motor vehicles.

WARNING: Cancer & Reproductive Harm – p65warnings.ca.gov

Part # 66043

• 2021-2023 Touring
• 2021-2024 Softail
• 2024 Touring-114ci Motor

Part # 66045-DISCONTINUED ITEM-(Replaced with Part #66055)

Part # 66047

• 2007-2013 Touring
• 2007-2010 Softail
• 2007-2011 Dyna
• 2007-2013 Sportster