ThunderMax Fuel Tuner for 2004-2013 Harley-Davidson Head Lights 2008 - FXSTB Softail Night

2008 - FXSTB Softail Night Train

seamless looking install that makes your stock frame look like a 100% custom made frame

Includes 18 mm O2 sensor ports and 12 mm adapters

2016 - FLHR Road King

One great advantage of this kit is that it will allow you to eliminate your battery from your system (and replace with a capacitor) for an ultra clean look

ThunderMax Fuel Tuner for 2004-2013 Harley-Davidson Head Lights 2008 - FXSTB Softail NightThunderMax Fuel Tuner for 2004 2013 Harley Davidson Looking for a do it all tuner? The ThunderMax is innovative because it's not a traditional tunerit's a complete ECM! Kit includes ThunderMax ECM with Auto Tune Module Plug and play harnesses Two wideband oxygen sensors ThunderMax software and communication USB cable Instructions Can benefit from dyno tuning, but it's not required if you choose to allow your ThunderMax to "learn" the correct settings