DC2TT

Ok i need to know this, i wanted to use an aftermarket oil cooler from setrab,so i went on to buy sandwich adapter .When i want to tap my sandwich adapter only i find out that i have so call an oil cooler on whcih running with coolant apparently,my question is since i have an oil cooler and i comes originally with adpater ,can i tap my new sandwich adapter on the original one?
and can i run after market oil cooler with the coolant oil cooler as well? or i need to remove the old cooler and only use the aftermarket cooler? the old cooler is something that run some hose to some water pipes.

What should i do if i want to run aftermarket oil coole can i take out the hoses to water pipe and tap it to my after market oil cooler? again i have searched and find it usefull if someone can provide some tech