Collection: GM Duramax Tuning Bundles

DIESELR offers GM Duramax Tuning Bundles industry-leading tuning bundles for 2001-2024 Duramax trucks, built for power, efficiency, and drivability. Whether you need custom ECM tuning, transmission tuning, or complete tuning kits, these solutions are tested, proven, and built for real performance.

✔ Compatible with 6.6L LB7, LLY, LBZ, LMM, LML, and L5P Duramax engines
✔ Instant tuning adjustments for towing, fuel efficiency, and power
✔ Backed by DIESELR’s expert tuning support

Complete ECM & TCM Tuning Bundles

For full performance optimization, our all-in-one tuning bundles combine custom tuning, transmission calibration, and supporting hardware in one package.

• Custom ECM & TCM tuning for max power and reliability
• Shift-on-the-fly tuning for instant power adjustments
• Available for 2001-2024 Duramax models

Duramax Shift-On-The-Fly Tuning Kits

Take full control of your power levels with SOTF tuning kits designed for LML & L5P Duramax trucks.

• Adjust power levels in real-time without reflashing
• Compatible with EZ Lynk, GDP Commander, and HP Tuners
• Perfect for towing, daily driving, and high-performance setups

GDP Commander & EZ Lynk Tuning Packages

Pre-configured tuning bundles for 2017+ L5P Duramax, offering the most advanced tuning solutions available.

• ECM & TCM tuning without sending in your ECM
• Instant power adjustments and data logging capabilities
• Proven solutions for daily driving, towing, and performance builds