Quote:
Originally Posted by Leland
I have a Perrin 2.5" resonated exhaust and it is overall very good. I do, however get a low frequency resonance between around 2700 and 3200 rpms that is more intrusive than any other rpms. Is this experienced by others with the Perrin? I have no other exhaust modifications. Thank you for your thoughts.
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I have a Perrin 3" resonated. I get the resonance around 2500 RPM and causes my rear deck to buzz.
The solution I've found is to gas the car harder and keep the RPMS in the 3000 RPM range and it goes away. It's more apparent with the AC on for me. You can also turn on the music louder or crack a window to increase some background noise.