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LLY Duramax Tuners & Programmers
Maximize power, torque, and fuel efficiency on your 2004.5–2005 LLY Duramax with premium tuners and programmers. Designed for easy installation and precise control over engine parameters, these devices allow you to customize fuel maps, improve throttle response, and optimize towing performance. Trusted by diesel enthusiasts, our tuners and programmers deliver safe, reliable gains for stock and modified Duramax engines.
	Fits: Duramax 2001-2016
	
	California Restricted
Fits: Duramax 2001-2016
	
	California Restricted
Fits: Duramax 2001-2016 | Powerstroke 1994-2019 | Cummins 2003-2012
	
	Fits: Ford 1994-2010 | Dodge Ram 2003-2012 | Duramax 2001-2016
	
	California Restricted
Fits: LLY Duramax
	
	Fits: LLY Duramax 2004.5-2005
	
	California Restricted
Fits: Duramax 2001-2015
	
	California Restricted
Fits: Duramax 2001-2016
	
	Fits: Duramax 2004.5-2010
	
	Fits: Duramax 2001-2016
	
	Fits: Powerstroke 99-10 | Duramax 01-15 | 5.9L/6.7L Cummins 03-12
	
	California Restricted
Fits: Duramax 2001-2016
	
	California Restricted
Fits: Duramax 2001-2016
	
	Fits: 6.4 Powerstroke 2008-2010 | Duramax 2001-2010 | Cummins 2003-2012
	
	California Restricted
Fits: Powerstroke 1999-2019 | Duramax 2001-2016 | Cummins 2003-2021 (2018-2021 Requires 42215 bypass cable)
	
	Fits: Duramax 2001-2016
	
	Fits: Universal
	
	Fits: Duramax 2004.5-2010
	
	Fits: Universal
	
	Fits: 1996 and Newer OBD II Vehicles
	
	Fits: Edge Products CTS2 | CTS3
	
	Fits: Fits Edge CS2/CTS2 and CTS3
	
	Fits: LB7|LLY|LBZ Duramax 2001-2007
	
	Fits: LB7|LLY Duramax 2001-2005 (Excluding Trucks With Sunroof)
	
	Fits: Duramax 2001-2007
	
	Fits: Duramax 2001-2007
	
	Fits: Duramax 2001-2007
	
	Fits: Duramax 2001-2007
	
	Fits: Duramax 2001-2007
	
	Fits: Duramax 2001-2007
	
	Fits: Duramax 2001-2007
	
	Fits: Duramax 2001-2007 (With Speaker Hole)