The BoosterPlug is the easiest and most efficient modification to upgrade the fuel injection on your Harley Davidson Fat Boy FLSTF.
Compared to the Power Commander, the BoosterPlug offers similar or better results for must owners - at a much lower price and without the complicated setup.
The BoosterPlug is installed in less than 10 minutes. It plugs directly into your bikes wire harness using original connectors – no cutting or splicing or additional modifications required.
Release the full potential in your motorcycle:
- Eliminate the poor on/off like throttle action
- Harder acceleration.
- Say goodbye to the low speed surge issue
- Stronger idle and less tendency to stall
- Far less popping in the exhaust on deceleration
This version of the BoosterPlug tuning modification covers all versions of the Harley Davidson Fat Boy FLSTF from 2016 to 2017.
If you have an older version of the Fat Boy, you can find the BoosterPlug for it in the related products below.
General Installation Instructions
Bike Specific Installation Instructions