2007.5 – 2024 6.7 Cummins SOTF (shift on the fly) Power Levels (CCV switch required) includes transmission tuning; TCM tuning compatible with all aftermarket built 68rfe’s from your favorite builders.

• 30 HP – Economy
• 60 HP – Tow
• 100 HP – Mild
• 130 HP – Performance
• 200 HP – Race (lift pump recommended)
• Trans tuning w/ 2nd Gear Lockup capable, progressive 225psi
• s300/s400 supported

2022-2024 6.7 Cummins tuning is only lifetime SOTF 0-200hp with transmission tuning included. TCM tuning compatible with all aftermarket built 68rfe’s from your favorite builders with UD pulse modification.

*2021 or like ECM swap is required. Customer must source a 2021 or like ECM to be cloned. Legend Tuning does not supply this service. EZLYNK now offers in truck ECM swap procedure. This tuning will not work on a 2022 ECM. End user is responsible for cloning their own ecm. EZLYNK tech support can help.                                 

***PLEASE CONTACT US PRIOR TO PURCHASE OF 22-24 Cummins Tuning***

Notes about Modifications:

• Fuel injector upgrades will require flow sheets from manufacture. S&S and Exergy are preferred.
• s300/s400 swap or compound turbos are supported. Please contact us first before purchasing if you have an uncommon turbo(s) combination.
• Cummins transmission swap from auto to manual or 48re swap is supported.
• ​All custom mod tuning requests must be requested at time of purchase. A request box has been provided on the product menu below. failure to do so may delay your tuning experience.
• If mods aren’t requested during the initial order process, please fill out a support ticket afterwards and we will get to you in timely manner.
• Custom mod revisions are for lifetime SOTF support only. If you modify vehicle after purchase, please fill out a support ticket with your modification list. If you originally purchased limited support, upgrading to lifetime SOTF support is required.