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The S/E Fatshots and Nightsticks have some supporters here.
They are compliant for 2010 and newer models with the catalytic converter
These are made by supertrapp and can use the disk tuning system to alter the power response and can also adjust noise louder/softer.
most pipes just "do what they do" and can get expensive if you are changing pipes looking for a sound.
the adjustable mufflers allow the owner to change the muffler to their requirement.
I've been using Supertrapps on Harleys for over 20 years
this is a modified Nightstick- I have tuned the disc stack and put in a closed cap to control sound- the exterior open end cap and ring are cosmetic ( this is an 09 model with the 'open header", no Cat so the noise levels were too loud with an open end cap)
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