It's the turbo blowing oil into the intercooler.
The spater you see there is from a small boost leak. The endtanks aren't round (china shit). The clamp has a hard time forming to a non-round surface. Ideally the silicon coupler should fill the gap, and it will to a point.
The only solution I'd found was the clamp had to be as far back as possible, just after the bead; and really crank down on the T-Bolt. It should bite into the coupler. Constant Tension clamps would be better though.
On the turbos blowing oil into the cooler, just keep an eye on oil consumption. Mine lasted quite a while blowing a little oil ... at 30psi.
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