GEN 2 Strange thing on 18 exhaust

[14Raptor]

Any insight as to what this is??

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[Hockster]

Not strange its a vibration damper

 

[14Raptor]

Not strange its a vibration damper

Thank you. Funny the passenger side does not have it or I haven’t found it yet. At least it’s not muffler bearings LoL


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[Hockster]

Thank you. Funny the passenger side does not have it or I haven’t found it yet. At least it’s not muffler bearings LoL


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Hahaha ya they are used quite often some were 3x that size too

 

[Robtor310]

Not strange its a vibration damper

Exactly

Its for vibration. It adds mass and may dampen some harmonics.

Theres probably a band in the rpm range where the exhaust may "sing" or vibrate. This "tuned mass" counters it.

The other side doesnt have it because its not symmetric and doesn’t have the same modal properties