Oh, also, just for reference... the Vortex is approx. equal to the sound of the 50 series Flowmaster.
So, in reality, what this did was...
Sound level:
Straight exhaust with no muffler=10
Vortex added=7
Vortex is now the baseline for the loudest the exhaust will go.
Added Supertrapp w/12 discs=3
Remove discs=7.5 (.5 due to megaphone-ish shape)
Add discs= 3 - 7.5, depending on how many discs added...
Hope this makes sense.
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