ThunderMax ECM with Auto Tune Closed Loop System for Softails 2012 - 2015 FXS/FLST,FXD 2012 - 2016 & 2014 - 2015 Sportster
The Thunder Max Electronic Fuel Injection (EFI) Controller is a replacement for your stock Harley-Davidson® control module. The TMax controller performs ‘Automatic’ tuning when coupled with the optional AutoTune Module (as shown).
When used as an EFI Controller replacement for NON exhaust sensor equipped, fuel injected Harley-Davidson® motorcycles, the controller performs calculations based on a set of data specifically tested for your equipment combinations.
Easy Plug in Installation - No Mapping or Dyno Required!
Fuel Injection Continually Tunes as You Ride
Increased Horse Power, Torque, and Fuel Economy
Increased Throttle Response
Lowers Engine Temperatures
Minimizes Annoying Exhaust Popping
Adjustable Idle and RPM Limit
Install and ride away
Fits Softails 2012 - 2015 FXS/FLST,FXD 2012 - 2016 & 2014 - 2015 Sportster
Thunder Max part number 309-382
Drag Specialties part number 1020-2360