The standard K75 silencer isn't too bad visually, unlike the pre-16v K100 rectangular monstrosity.Even still got the triangular exhaust as a nod to the three cylinder, where the K100 had the square one to give a visual clue that it as the four cylinder.
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While cleaning it, I found that the header-to-silencer clamp was loose. That would explain the 'gold' patches on the silencer caused by it sucking-in cool air on a closed throttle.
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(As you're collecting silencers, I'll swap you a brand-new, in the box, 1150 GS/GSA silencer for it )

