The BoosterPlug is accepted world wide, as the best aftermarket part to transform your KTM RC 390 from ”OK” to ”Absolutely Marvelous”.
With the BoosterPlug tuning module you will have a better solution than complicated and expensive aftermarket parts like a Power Commander that is almost impossible to set up correctly.
The BoosterPlug requires no programming or advanced mechanical work, and it's easy and fast to install. Plug and play.
A plug and play tuning solution to improve your motorcycle in so many ways:
- Much better and softer throttle response
- Improved acceleration
- Fix the annoying low speed surging
- Stronger and more reliable Idle
- Little to no popping in your aftermarket exhaust
This version of the BoosterPlug tuning module covers all versions of the KTM RC 390 (2014-2016).
If you have a newer RC 390 model, you can find the BoosterPlug for it in the related products below.
General Installation Instructions
Bike Specific Installation Instructions