trinity on 06 dodge 3500 with 6speed?

[1968ford]

ok im new to this forum but have looked for this problem ok here is I tow a lot of weight 17000 to 19000lbs problem is sotck no tune truck drives tows great unload just truck put in a tune tow or extream when the truck hits about 2100rpm sounds feels like the cluch is slipping the truck only has 30000 miles on it 5000 by me took it to the shop hooked up a heavy trailer in stock tune tugged pulled it all over no slip any ideas do I need a cluch also how do you work this thing all I got in the box is a little tri fold paper nothing else

[mikel]

The extreme tune will blow through a stock clutch in no time.

there is a full users manual on the disc in the box, or you can see it here:
http://www.diablosport.com/images/MaxsN ... Manual.pdf