sidepipe question: am I correct in assuming the sound reduction with a glasspack style muffler is primarily due to the glass packing, so more is better? I.e. a 3 inch core 5 inch body will be quieter than a 3 inch core 4 inch body, all other things being more or less equal? I'm thinking specifically of the 5 inch Jones glasspacks vs the 4 inch classic chambered style.
Doubling up: I'm considering using one of those 2 types of glasspack mufflers, then inserting one of the "auger" style spiral turbo baffles into the exhaust tip.
Spiral Turbo Specialties:
Anyone tried something similar? I just think it will eliminate the straight through sound path, without blocking things up: you can use a 3 1/2 inch spiral inside the 3 1/2" tip, extending into the muffler body to the 3" to 3 1/2" transition.