recieved my e-pipe today. must say i love it. although im not getting a very good th, plenty of vapour just not the th i get out of my ego t twist at about 4w with a 2.8 ohm vivi nova. using the 6ml dct that it comes with. some reason didnt have the standard carto with it nor can i remove the 510 to 510 extention. getting reasonable flavour but no th. anyone have these and what cartos do you use?