torque converter and shift kit
 

i have a 06 2500 CTD, i just put the edge with att., exhaust and intake with 35's on my truck and i want to beef up my trans. what converter did u guys get the most results out of? also im looking into a shift kit, how is trans go? on the highest power level the truck takes off and the trans shifts are right on, im just thinking down the line and i dont want to blow my trans. any input will be helpfully....thanks