Muff mod experts,yes or no jred 50 ?

[roncoinc]

Looking at an almost empty can here,can anything be gained ?
once it's up and running i will at least widen the exhaust hole in the jug..
tnx..

 

[PB]

Looking at an almost empty can here,

You already answered your question. Might as well take the entire muffler off, poke as many holes as you want and you still won't see any significant performance increase. Not really "restricted" back then.