Bub 7 2 into 1 too loud.
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senior experienced all-knowing leader of the unwise
Joined: Apr 2008
Posts: 1,957
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From: USA
Bub 7 2 into 1 too loud.
Yeah, yeah. I'm not too old either, just dont like loud on touring bike. It's on a 103 with cams so it's much louder than it would be on stock bike. Noticed the baffle is not wrapped with sound absorbent packing. Wondering if that would lower sound level to acceptable. I know they sell quiet baffle for this pipe fpr $70+ but i also have HP+ baffle that came from another muffler that would not be hard to insert into bub. Any suggestions?
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Joined: Aug 2008
Posts: 5,189
Likes: 16
From: N.E. Wisconsin
Put a stock headpipe with the CC in. It will give you a nice deep mellow sound. The stock pipe has great flow and the CC has very, very little flow restriction.
It traps heat to burn hydrocarbons.....move the passenger pegs out an 1" if it's a problem.
It traps heat to burn hydrocarbons.....move the passenger pegs out an 1" if it's a problem.
Extreme HDF Member
Joined: Sep 2010
Posts: 14,744
Likes: 402
From: Phoenix '53, '88, '09 Big Twins
The techs at Supertrapp suggest that when packing is removed from a muffler, that the gasses slow ( loose velocity, because the tract is suddenly wider), and may eddy and loose direction as they flow in and out of the baffle to the chamber where the packing was.
this can result in lost performance.
so no matter what you do, you should wrap the baffle for performance sake.
The packing will absorb primarily high frequencies
Mike
this can result in lost performance.
so no matter what you do, you should wrap the baffle for performance sake.
The packing will absorb primarily high frequencies
Mike
Extreme HDF Member
Joined: Jun 2011
Posts: 10,216
Likes: 224
From: Glendale AZ
Yeah, yeah. I'm not too old either, just dont like loud on touring bike. It's on a 103 with cams so it's much louder than it would be on stock bike. Noticed the baffle is not wrapped with sound absorbent packing. Wondering if that would lower sound level to acceptable. I know they sell quiet baffle for this pipe fpr $70+ but i also have HP+ baffle that came from another muffler that would not be hard to insert into bub. Any suggestions?
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