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Originally Posted by jtbshaw
T, the RB mufflers are the best for the rotary IMO. I have been using them for years with fair success in accomplishing what you are trying to do......quiet without losing too much performance. I have had to modify a few RB pre-silencers to fit in limited areas and was able to see the internals, which is as Ted mentions...perforated and offset with a bunch of curly stainless noise suppression material.
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Is this their normal/self branded mufflers or their universal mufflers they offer?
Quote:
You may want to also consider a heavier wall thickness if you purchase tubing...this takes out a good bit of the "metallic" sound in the rotary exhaust.
On a different note, I will shoot you a PM soon about seeing if you can help me with a intake plenum design for a sidedraft Weber (DCOE).
Todd B.
(formerly of No Limit Industires in Alabama)
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Sounds like a plan.