Harmonic Resonance Help

[JohnK]

I have experienced this resonance with the FRPP Touring Cat Back and the Corsa Touring (sport mufflers) with H-pipe. I'm thinking it's likely not related to the exhaust system. Interested in what others find. BmacIL thinks it's something in the power train - maybe transmission mount...

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[BmacIL]

I have experienced this resonance with the FRPP Touring Cat Back and the Corsa Touring (sport mufflers) with H-pipe. I'm thinking it's likely not related to the exhaust system. Interested in what others find. BmacIL thinks it's something in the power train - maybe transmission mount...

I think it's that or engine mounts because it's rpm specific, both on and off throttle, and the only things I can think of that have some assembly tolerances that could effect this.

 

[JohnK]

BmacIL - I'm going to definitely have this checked out - appreciate your suggestion. I am curious if others are having a similar issue...

 

[Lowganlow]

I am having trouble experiencing the same thing, it’s loud. It sounds so weird. Actually kinda hate it. Anyone figure it out ?

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