I heard it stood for Military Tread Revised. cuz the old ones were just Military Tread and they put em on all the Hummers

 

Pro Comp Xterrains, i got 4 tires for about 750cdn and that came with balance, installation, etc etc, but i had this done in Medicine Hat Alberta, and i got the tires just after Pro comp had their 4 for 3 deal, so after taxes i think i payed 780-800cdn! if you live in that area where you wanna go to it, a HUGE tire warehouse.

 

i LOVE these tires, i dove7,600km from the Cariboo in BC down here to Belize, i ws VERY VERY happy with them, but i am chaging them becuase i do not do Heavy DUTY, i did for a long time, and they where so much better than anything else i have tried, fantastic traction on wet conditions, NOT good for snow at all, but i LOVE them, i wish i did more off roading ike i usedtoo, but i have no time, and wont for another few months to a year, but if i did alot, i would never use anything else ever again, but i heard that there is a NEW type of Xtreme mudterrain, i would like to try that one, i might get that next time.