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Bought a pair of staintune mufflers for my Honda ST1300. The silencers / baffles are in. This couples a turbocity tom fuel pressure regulator with k&n filter and pipes Start with a camera sweep, neutral revs, fast revving near redline, slow revving, and cruise then a oncoming and pass view from 2k, 3k, 4k, and high rpm.
Under load the exhaust is noticeable and audible from a distance. Unloaded at highway speeds or "cruising" there isn't much distinction from stock and aftermarket exhaust. Listen for decal popping and "character". This can be found under load or above 5,000 rpm.
Recorded motorcycle sound on a Gopro HD BC canada