Harley Davidson Softail Deluxe FLSTN (2016-2017)

Fuel Injection improvements on the Harley Davidson Softail Deluxe FLSTN are usually expensive and complicated. The BoosterPlug is a better and proven alternative.

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.

No complicated mechanical work or programming is required when installing the BoosterPlug. You simply plug it in using the original connectors and you are done.

Inexpensive, easy installation, proven results:

- Soft and precise throttle control
- Stronger acceleration
- The end of the dreaded low speed surging
- Stronger idle - no more stalling problems
- Aftermarket exhaust backfire reduced or eliminated

This version of the BoosterPlug covers all versions of the Harley Davidson Softail Deluxe FLSTN (2016-2017).
If you have an older version of the Softail Deluxe, you can find the BoosterPlug for it in the related products below.