That is a piece of 316 stainless steel dairy tubing, specifically a 1" x 45* long tangent elbow for TIG welding. I machined up an adapter to fit the muffler end cap and silver soldered the tube in. The adapter has a tapered bore and is a snug fit into the muffler. A bead of medium temperature silicone holds it firmly in place.
On my first parking lot ride, my jacket stunk of 2T oil. The Krizman "bullet" is very near the rear of the muffler and makes the exhaust swirl enough to deposit oil mist on the fender. Some oil mist also gets drawn into the still air pocket behind the rider. An angled tip was an easy way to stop this. A side benefit is the exhaust is directed away from a following rider when on the trail.
I like that the angled outlet creates a "drip point" for spooge; that way it can't run back down the muffler.
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2011 EC250E
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