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      10-02-2011, 11:30 AM   #48
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Gearhead999s's Avatar

Drives: RR Velar R=Dynamic M4 R1200GS
Join Date: Apr 2007
Location: Toronto

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Originally Posted by nkgmd View Post
The service report stated that "the noise is found coming from the rear section of the exhaust, inside of muffler during load". They replaced it, and it is better, but I can still hear a difference in the character of the exhaust note at 4000rpm. I wonder if there is something wrong with the engine that is amplified by the exhaust as well.
Mine does the same thing in the 4000 rpm range when the exhaust is hot.I think it is a normal thing as the exhaust note outside the car also changes so it is not an issue with mounting or loose parts in the exhaust itself.I really do like the different tones that this exhaust gives off at different RPM & temps.And I really like the fact that there are no annoying drones in normal day to day use and long distance highway driving.