Re: Flowmasters getting on my nerves...
I had the American Thunder system on my Challenger, it was un-drivable due to drone. I had a muffler shop install a J pipe and zero in cab drone, I regularly drove it out of state.
Done give up on it just put a J pipe in you will love it, I will dig up a photo of mine to show you. it is just a pipe which is capped at the end and the frequency bounces back and cancels itself out. There is a lot of information on the internet on selecting the correct length for the drone RPM.
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