ThunderMax with AutoTune. Fits Most Touring 2021-2024 - Thunder Max OEM Wheel Hubs & Components * Height from hood at

* Height from hood at flip (in front of driver/passenger at “hood bolster”): 9

* Re-tuning of EFI System or re-jetting of carby is recommended due to the reduction in exhaust flow

* Delivers constant power while reducing detonation

* Includes: gaskets

* Re-enforcement ring fits over the rear part of the hub were it slides over the mainshaft

ThunderMax with AutoTune. Fits Most Touring 2021-2024 - Thunder Max OEM Wheel Hubs & Components * Height from hood atNote: Trike Models an updated firmware file prior to installation (Due to traction control RDRS) Please contact Rollies or support@thunder max. com for this. Fitment 2024 Touring Models: Road King Special 114ci, Same as 2023 (Still Uses Z309 591) Road Glide Limited 114ci, Same as 2023 (Still Uses Z309 591) Ultra Limited 114ci, Same as 2023 (Still Uses Z309 591) Does NOT fit CVO Touring 2023up & Street Glide & Road Glide 2024up ThunderMax is an