Pipe Loudness... model differences
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Novice
Joined: Jun 2008
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Pipe Loudness... model differences
Rode my friends '92 Heritage Classic yesterday. Shocked at how quiet the non-baffled illegal drag straight pipes sounded while in the saddle. This is the same bike that causes momentary deafness when passing me while riding. The same bike that sets off car alarms and keeps the local ENT's busy from the obnoxious decibel level. I'm slightly confused since the V&H slip-ons on my '09 Street Bob are uncomfortably loud/rumbly while in the saddle to the point of considering going back to stock.
Would non-baffled straight drag pipes be quieter on my Bob than the V&H?
Is this a function of the dimensions of a softail vs. dyna or the configuration of the actual pipes ie. cut type of opening, distance from riders ear...
What gives?
Would non-baffled straight drag pipes be quieter on my Bob than the V&H?
Is this a function of the dimensions of a softail vs. dyna or the configuration of the actual pipes ie. cut type of opening, distance from riders ear...
What gives?
Road Master
Joined: May 2009
Posts: 983
Likes: 4
From: Fredericksburg, Va
It could be that you were going so fast that you broke the sound barrier therefore heard nothing but silence as you entered warp mode.
I have no baffling in my BR's but do scare the crap out of bystanders....pedestrians and small children (they all take off running)
I have no baffling in my BR's but do scare the crap out of bystanders....pedestrians and small children (they all take off running)
Club Member
Joined: May 2007
Posts: 145,895
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From: 40 miles Northeast of Indy..
Are the motors the same, stg1, cams different..?? same size Pipes? BSS's ?
would think the side cuts would allow more upward DB's
Cams differently will make them louder, Mine made a fairly big diff with same pipes..
would think the side cuts would allow more upward DB's
Cams differently will make them louder, Mine made a fairly big diff with same pipes..
Ultimate HDF Member
Joined: Oct 2007
Posts: 5,257
Likes: 6
From: Leander Texas
the sound can very due to tuning. i had rush slip ons and they were loud. car alarms and such would go off. only change was a dyno tune and after that it sounded almost stock until i got on the throttle.
Road Warrior
Joined: Sep 2005
Posts: 1,569
Likes: 12
From: Arizona
it depends on the motor, i had a chance to hear the bike they build for a arizona guy on american chopper. the motor was a stock harley evo and the pipes were about 24" long. i figured it would be loud as hell, well it was quiet as hell. figured because the motor was all stock. a cam will make a big difference and also the timing.
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deezy139
Softail Models
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Aug 13, 2014 08:06 AM
