ThunderMax with AutoTune. Fits Softail 2016-2017, Dyna Low Rider S 2016-2017 & Softail CVO 2014-15 Models with Throttle-By-Wire. - Thunder Max

ThunderMax with AutoTune. Fits Softail 2016-2017, Dyna Low Rider S 2016-2017 & Softail CVO 2014-15 Models with Throttle-By-Wire. - Thunder MaxThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson motorcycles. This highly advanced, stand alone tuning system utilizes proprietary AutoTune technology with wide band oxygen sensors to deliver unmatched performance and rideability. ThunderMax comes 100% assembled, ready to install with no wire cutting or splicing required. Simply replace the factory ECM and oxygen sensors, load a map, and

* Fender # RWD-50176 are 5-1/2″ wide & Sitting on the Bike take a 1

* Replaces OEM # 17901-86 & 17904-86

* Does Not Fit Softail Rocker Models – Use Part Number Z309-485

M504 – Great choice for more spirited riding in stock 107 and 114″ engines and an excellent choice for the big bore kits with higher compression ratios

* Not compatible with Twin-Cooled™ models (Water Cooled)

Road King Special – 114ci

Install rocker arms/shafts

* Fifty-two 3/8″ thick spokes

* Advanced Optics – combination of projector lenses and D-shaped fill light lenses

* Carpeted seat bottom

this fuel rail is built to last

into the hardware pre-installed in the motorcycle driver seat