Fuel Injection tuning on the Harley Davidson Fat Boy S (FLSTFBS) are usually expensive and complicated. The BoosterPlug is a better and proven alternative.
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.
Installation couldn't be easier - The BoosterPlug tuning module comes with the correct connectors to let you plug it in to the bikes wire harnes. No programming required.
There is no better way to improve your riding experience:
- Improved and softer throttle response
- Better acceleration
- Remove the low speed surging
- Stronger idle
- no more stalling problems
- Far less popping in the exhaust on deceleration
This version of the BoosterPlug tuning module covers all versions of the Harley Davidson Fat Boy S (FLSTFBS) (2017).
General Installation Instructions
Bike Specific Installation Instructions