1 Attachment(s)
Have you used Helmholtz Resonators? Exhaust Drone
I have a moderate 2,000rpm drone that I'd like to get rid of. Calculations to cancel 1/4 of the wavelength at that frequency (133Hz) looks to come right around 24".
While packaging 24" resonators along the side of my 3" exhaust won't be easy, I think I'd like to try it.
Have you used these style resonators before? What was your end result?
Attachment 164824
Supporting info
J-tube Vendor
http://synapseengineering.com/synaps...3eb26nmm54fu62
Synapes installation
http://synapseengineering.com/suppor...ons_111513.pdf
Grassroots thread
https://grassrootsmotorsports.com/fo.../129212/page1/
Calculation details
https://www.performancetrucks.net/fo...-drone-489463/