ThunderMax ECM Integral Auto Fuel Management System Harley Touring Bagger 23.5+ VVT and Non-VVT FXCWC NOTE: Includes 18m to 12mm

NOTE: Includes 18m to 12mm O2 sensor port adapters

PART # JGI-17053-05-X

Stepped 1-3/4" to 1-7/8" headpipes

so you'll need to build your lay-frame swingarm to lay frame at 10

PART# 1F22SS

ThunderMax ECM Integral Auto Fuel Management System Harley Touring Bagger 23.5+ VVT and Non-VVT FXCWC NOTE: Includes 18m to 12mmBRAND NEW PART# 309 605 Fitment: 2023. 5 and up Center Cooled Models VVT or non VVT Touring models ThunderMax is a performance driven, award winning ECM built exclusively for EFI equipped Harley Davidson motorcycles. Designed as a stand alone replacement for the factory ECM, the 309 605 arrives fully assembled with wide band oxygen sensors, plug in harness, AutoTune module, USB communication cable, and everything you need for a straightforward