[FasterNLouder]

I’m pretty lost in what’s what when it comes to modifying the Nag1 TCU/TCM. It appears to me that you can either buy one already programmed, or you can send yours in to be custom tuned. Both of which seem to pretty hard to come by. Any help?

 

[A Guy]

What year? HHP offers either choice ($200 extra if they provide TCM also) for 2006-2010 6.1L LX/LC

HEMITUNER Performance Custom Transmission TCM Flash (2006-2010 6.1L HEMI LX/LC NAG1 Vehicles) - HTP-61TCM

HEMITUNER Performance Custom Transmission TCM Flash (2011-2014 6.4L 392 HEMI LX/LC NAG1 Vehicles) - HTP-VVT64TCM

www.highhorseperformance.com

A Guy

 

[FasterNLouder]

2010 5.7