2017–2023 L5P Duramax Basic Tuning Bundle Upgrade your L5P the right way with our entry-level tuning kit. The Northern Tuning Basic Tuning Bundle is built for 2017–2023 Duramax owners who want reliable performance gains with everything you need to get started.
This bundle includes:
✅ Custom Northern Tuning Tune File (choose Single Tune or Switch-On-The-Fly)
✅ MPVI3 Device with 8 HP Tuners Credits (required for tuning)
✅ E41 ECM Unlock Cable
✅ CAN Bus Plugs
✅ DPF + CAT Replacement Pipe
Whether you're towing, daily driving, or just want better throttle response and fuel economy, this kit gives you the essentials to transform your truck.
