You might want to send Tuff Torq a note or call them with the numbers from both units and see if they can tell you what the difference is.
Tuff Torq Aftermarket Services
6041 Hunter Road
Talbott TN 37877
PHONE: 866-572-3441
[email protected]
Tuff Torq Aftermarket Services
6041 Hunter Road
Talbott TN 37877
PHONE: 866-572-3441
[email protected]