2013-2021 Cummins EZ Lynk 4-Week to Lifetime Support Package Upgrade

Already running the 4-Week EZ Lynk support package on your 2013-2021 6.7L Cummins? This upgrade moves you to Lifetime support for the price difference, so you keep your current setup and gain permanent access to Peakside tuning and revisions as your build grows.

*This upgrade requires an existing 2013-2021 Cummins EZ Lynk 4-Week package: PEAK-CUM67-EZLNK-LTD. Starting fresh? See the full PEAK-CUM67-EZLNK-UNLTD Lifetime package instead.

• Permanent access to all compatible single file and shift on the fly tunes
• Ongoing tune revisions to match future hard part upgrades
• Automatic calibration updates as Peakside releases them
• Transmission tuning included with firmer, quicker shifts and improved clutch holding
• Unlimited data logging and direct chat with a tuner through the EZ Lynk app

• Software upgrade only. Requires an EZ Lynk AutoAgent already installed on the vehicle.
• Competition and off-road use only.

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