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nigel cooper

Thanks guys for the comments,The inner tube idea sounds interesting and easy to try.I have already started building my own muffler.Its 32″ long,3″ diameter running along the rear end from a silicon tube from the end of the piping with a large 90 degree bend before it enters my muffler.basically just copying the RLV muffler-just making it longer.Will try the”honk tube” on the end though just to see what happens.