The BoosterPlug is the easiest and most efficient aftermarket upgrade of the fuel injection on your Harley Davidson Fat Boy FLSTF.
The BoosterPlug is the best way to sort out the fuel injection on your bike - without the high cost and the complicated programming of a Power Commander.
The BoosterPlug requires no programming or additional parts, and it's easy and fast to install. Plug and play.
The smarter aftermarket part to optimize the fuel Injection on your motorcycle:
- Much better and softer throttle response
- Improved acceleration
- Eliminate the low speed surge problem
- Stronger idle and less tendency to stall
- Aftermarket exhaust backfire reduced or eliminated
This version of the BoosterPlug tuning mod covers all versions of the Harley Davidson Fat Boy FLSTF from 2007 to 2015.
If you have a newer version of the Fat Boy, you can find the BoosterPlug for it in the related products below.
General Installation Instructions
Bike Specific Installation Instructions