Helmholtz Resonator

[Spur]

Doing some exhaust work and I am about to install a “J Pipe” also known technically as a helmholtz resonator. Trying to cancel a slight drone at 2100 rpm. My calculations indicate a 32” j pipe.

Just wondering if anyone else has any experience with this?

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[cecaa850]

Doing some exhaust work and I am about to install a “J Pipe” also known technically as a helmholtz resonator. Trying to cancel a slight drone at 2100 rpm. My calculations indicate a 32” j pipe.

Just wondering if anyone else has any experience with this?

Yep. That's the right length and it will absolutely kill the drone. I put mine as far forward as possible, there's plenty of room to run it parallel with the exhaust.

 

[Spur]

Yep. That's the right length and it will absolutely kill the drone. I put mine as far forward as possible, there's plenty of room to run it parallel with the exhaust.

Thanks very much

 

[cecaa850]

Thanks very much

https://www.jeepgladiatorforum.com/forum/threads/exhaust-upgrade.33722/

 

[Spur]

If anyone is interested this shows the length of j pipe for given rpm.

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