The BoosterPlug is accepted world wide, as a brilliant and affordable way to transform your Harley Davidson Softail Custom FXSTC from ”OK” to ”Absolutely Marvelous”.
Did you think the complicated Power Commander was the only way to sort out the fuel injection on your bike ? The BoosterPlug will offer the better solutiona at a fraction of the cost.
Installation couldn't be easier - The BoosterPlug comes with the correct connectors to let you plug it in to the bikes wire harnes. No programming required.
Inexpensive, easy installation, proven results:
- Soft and smooth throttle response
- Better acceleration
- The end of the dreaded low speed surging
- Stronger and more reliable Idle
- Minimize the backfire in your aftermarket exhaust
This version of the BoosterPlug covers all versions of the Harley Davidson Softail Custom FXSTC.
General Installation Instructions
Bike Specific Installation Instructions