Installed Supertrapp
Tourer
Joined: Aug 2011
Posts: 394
Likes: 0
From: west coast. Canada
i also run 15 disc and closed cap. it was waaayy quieter than my vance and hines comp pipe and it should be cuz it was only 20'' long with a 2-1/2'' port. annoying loud on a long ride.
i ran the supertrapp for the season last year and it is by far the best pipe i've owned yet. my dyna ran better, faster and no decell pop with the ST. closed cap. (not stock engine)
i ran the supertrapp for the season last year and it is by far the best pipe i've owned yet. my dyna ran better, faster and no decell pop with the ST. closed cap. (not stock engine)
Road Master
Joined: Dec 2012
Posts: 848
Likes: 30
From: CO
I personally found open cap + 8 discs to be the best combo.
Last edited by Red Dragons; Apr 18, 2013 at 12:37 AM.
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