Had a slight episode this morning. less intense than w/ old exhaust sounded like a muffled shot gun blast from the tailpipe. power loss not as bad. I may have found the culprit but noticed after poking around under the hood before work. One of the boost pipe couplers is wet with oil and saw some fine oil splatter/ spray spots around. I had the bost pin in its most agrresive position until Thursday afternoon I roated it 1/8th of a turn clockwise and couldn't seem to re create the the problem until this morning and like I said it wasn't as bad. I turned it back to its most aggressive position in the parking lot once I got to work so I guess we'll see what it does going home later.