George R.R. Martin isn't the only author who can write some gripping stuff about the cold. That's right, brace yourselves, winter is coming; and we are jumping into the frigid waters which we know well - improved intercooler performance. The patient going underneath our scalpel for R&D is the 2013+ Ford Focus ST, but per our usual process, let's first take a brief second to examine the stock system.
Ford decided to use tube-and-fin construction for this intercooler instead of bar and plate. The difference between the two is pretty simple. Tube-and-fin intercoolers are more commonplace amongst stock applications. They are lighter and promote greater