The BoosterPlug is accepted world wide, as a brilliant and affordable modification to transform your Harley Davidson Street Glide FLHX from ”OK” to ”Absolutely Marvelous”.
Optimizing the fuel injection on your bike does no longer require expensive and complicated devices like a Power Commander - and no time consuming setup procedures.
The BoosterPlug requires no programming or advanced mechanical modifications, and it's easy and fast to install. Plug and play.
There is no better way to improve your riding experience:
- Soft and precise throttle control
- Improved acceleration
- Remove the low speed surging
- Stronger and more reliable Idle
- Deceleration backfires in the exhaust reduced to a minimum
This version of the BoosterPlug modification covers all versions of the Harley Davidson Street Glide FLHX (2008-2016).
If you have a newer or an older Street Glide FLHX, you can find the BoosterPlug tuning module for it in the related products below.
General Installation Instructions
Bike Specific Installation Instructions