What upgrades to the tranny would I need to get (if any) if I put a chip and...

Thread starter mitcht1
Start date Feb 10, 2009
Tags

chip put tranny upgrades

M

mitcht1

New member

Feb 10, 2009

#1

...a programmer in a duramax truck? I have a 2003 GMC Sierra 2500HD Duramax

A

ascendant_magesks91

New member

Feb 10, 2009

#2

none.

A

ascendant_magesks91

New member

Feb 10, 2009

#3

none.

A

ascendant_magesks91

New member

Feb 10, 2009

#4

none.

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