Vance & Hines Fuelpak FP4 ECU Tuner For Harley 2011-2022
Unleash the Beast: Why the ThunderMax ECM Is the Ultimate Upgrade for Your ’08-’13 Harley
Tired of that hot, sluggish feeling after upgrading your exhaust or air cleaner? The factory Electronic Control Module (ECM) in your 2008-2013 Harley-Davidson just wasn’t built for the rumble and flow of high-performance parts.
Enter the ThunderMax ECM Performance Auto Tuner. This isn’t a “piggyback” system—it’s a complete, stand-alone replacement for your stock ECM, designed to unlock true, responsive power.
Key Features That Make the ThunderMax a Game-Changer:
Proprietary AutoTune Technology: Utilizing included wide-band oxygen sensors (a major step up from stock), the ThunderMax constantly monitors and adjusts your Air/Fuel Ratio (AFR) in real time, automatically perfecting your tune every time you ride.
Cooler, Smoother Engine: By dialing in the AFR precisely, the system eliminates the lean condition of stock bikes, leading to significantly cooler operating temperatures and a smoother running engine. Say goodbye to excessive heat!
Plug-and-Play Performance: Installation is straightforward. Replace the stock ECM, plug in the new sensors, load a base map for your specific bike mods (cams, pipes, etc.), and the AutoTune takes over. No expensive dyno runs are required.
Full Customization: For advanced users, the free TMax software gives you complete control over parameters like idle speed, rev limit, ignition timing, and decel pop control.
If you own an ’08-’13 Harley and are looking for a comprehensive, future-proof tuning solution that will maximize your throttle response and ensure peak performance regardless of altitude or weather, the ThunderMax ECM is the ultimate foundation for your V-Twin build.
Other Key Features:
Vance & Hines offers a vast library of available dyno-tuned maps
Smaller and thinner than the previous generation fuel tuner
LEDs have been simplified so you know exactly what’s going on between the FP4 and your motorcycle
Built from the ground up Android and iPhone apps feature a new rider interface and are easier to navigate than previous versions
Live Data in the FP4 App has been upgraded with a whole new look, and an additional gauge to track more crucial data while you ride
All new Performance Data feature allows you to record your ride, look at all available sensors in the created chart, and see a map of your ride recorded with your phone’s onboard GPS
Mapping options are limited to products that are EPA compliant
Note: The FP4 is intended for Stage 1 applications, maps for Stage 2 and Stage 3 applications may not be available. Contact Vance and Hines for current map availability.
| Product Style | AmericanV-twin
Item # |
Catalog Number | Store Sku | MFR. Product # | Availability |
|---|---|---|---|---|---|
| Vance & Hines Fuelpak FP4 ECU Tuner For Harley 2011-2022 | 10181277 | 10181277 | 298799 | 66045 | In Stock: Ships within 24 hours |
This Product Fits
Harley Davidson
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