muffler help???video inside

I have a simular issue and am running a Yosh 4-1 full system. Wanting to know what issues there are with dumping my Yosh can and going with a shorty slip-on tip of some sort mounted directly onto the yosh mid-pipe. Should it have a baffle or can I run a tip without one?

Thanks for your suggestions!
from what i hear and read you should run a baffle because you need some type of back-prforessure.measure your yosh slipon for me and post pics i may take it of your hands.

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