Unlock the full potential of your Duramax LM2 3.0L engine with GDP MPVI3 E66 (Global B) Tune Files. This advanced tuning solution requires an E66 ECM (Global B) unlock service (sold separately) to optimize your vehicle's performance and improve fuel efficiency. Tune your engine with confidence using this trusted product from GDP.

• Requires E66 ECM (Global B) to be unlocked (sold separately)
• Requires 6 HP Tuners Universal Credits (sold separately)
• Levels 1 - +0HP , 2 - +20HP

The E66 ECM can be found in the following GM Global B vehicles:

• 2022-2022.5 Chevrolet Silverado 1500 3.0L Duramax LM2
• 2022-2022.5 GMC Sierra 1500 3.0L Duramax LM2
• 2021-2023 Chevrolet Suburban 3.0L Duramax LM2
• 2021-2023 Chevrolet Tahoe 3.0L Duramax LM2
• 2021-2023 GMC Yukon 3.0L Duramax LM2
• 2021-2023 Cadillac Escalade 3.0L Duramax LM2