is it needed and what does it do ........ sorry for the nub question but im thinking itll increase the life of the intercooler also what locations can you put a catch can in ie. coolant or oil lines

 

Oil Catch Tanks collect the oil, moisture and blow-by gas that causes carbon and sludge build-up in the intake system and engine to keep them clean even under the hardest driving conditions. An oil catch tank is also an excellent engine dress up item that will give your car a racing image.