2001-2010 Duramax Peakside EFI Live Single Level Tune File (PSP-1-10-DMAX-EFI-SNG)

Description 

Fits  

Year	Make	Model
2001-2010	Chevrolet/GMC	Silverado/Sierra 2500HD/3500

Note: If your AutoCal was previously linked to another tuning provider, you must request unlink codes before loading new tuning.

Upgrade your 2001–2010 GM Duramax with a single, professionally calibrated EFI Live tune from Peakside Performance. This single tune is ideal for customers who want a simple, reliable upgrade without switching between multiple files. It maintains stock-like drivability while unlocking additional power, torque, and efficiency tailored to your truck’s setup. 

Part Number: PSP-1-10-DMAX-EFI-SNG

This is the tune files only. Click here for the device.

Features 

• Single tune for simple installation and reliable operation
• Compatible with 2001–2010 GM Duramax trucks
• Professionally calibrated using EFI Live
• Optimized for stock or modified setups
• Improves power, torque, efficiency, and drivability 

Tune Levels 

• Stock Modified
• 25HP Tow
• 45HP Economy
• 75HP Street 
• 90HP Performance
• 120HP Race 

Notes 

• Higher Power levels can be written with the proper supporting modifications. Please state the HP level and the supporting modifications.