FriarJohn
"Lighten up, Francis."
Reged: 01/11/05
Posts: 18825
Loc: East Helena, Montana
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Granted this is fairly subjective and there are probably very few that have heard all or even most of these but I think we can get a pretty rough scale going. I'm starting this from a few different threads. I propose two subjective measures, overall loudness and sound quality, a 1-10 scale from rappy/barky to deep/thunderous. And this is all subjective and relative and we'll never have 100% agreement, but I think we can get close. Also, this is not a contest. Not everybody wants loud pipes just like not everybody wants quiet. If there's a tie we'll put them on the same line.
Loudest to Quietest (with sound quality rank in parentheses):
Non-Baffled:
Straight pipes, no baffles, e.g. fishtails (5)
Thunderbike, no baffles (8)
Sceptres, no baffles (8)
Specialty Spares, no baffles (9)
Epco, no baffles (2)
D&D, no baffles (4)
Bubs, no baffles (6)
Aftermarket:
Thunderbike (8)
Sceptres (8)
Specialty Spares (9)
Epco (2)
D&D (4)
Bubs (6)
Factory:
Short TORs, gutted (6)
Long TORs, gutted (6)
Stock pipes, completely gutted (7)
Stock pipes, 2 baffles drilled (8)
Stock pipes, 1 baffle drilled (7)
Short TORs (6)
Long TORs (6)
Stock pipes (4)
Discuss (civilly, please). Feel free to reorder, mix and match, etc. Don't get your panties in a bunch when someone disagrees with you. I've heard all of these, I think, but rarely together, so this initial list is just a shot in the dark. Personally I think my Specialty Spares slashcuts (with worn baffles) are some of the loudest pipes around, but don't hold a candle to fishtails. That said, I like the deeper sound of the SS over the fishtails. Also, I've currently got factory pipes split out. That's probably the biggest gap I have in my listening experience. I've only ever heard 2 baffles drilled out of stock pipes, so totally gutted pipes could be the loudest thing out there.
Lastly, if someone has access to a db meter and wants to take it to the next large gathering for some informal testing, that would be most excellent. And it would settle most disputes that are sure to crop up in this discussion. 
Edited by FriarJohn (07/13/11 11:40 AM)
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hyates
Adjunct
Reged: 11/03/09
Posts: 473
Loc: Canada
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Good meaasure of where I sit, so to speak with pipes.
I wonder if there are different TORs though. I have long slash cut TORs for my EFI Speedmaster that seem quite loud. They are straight through with baffles around the circumference. The way the TORS are referred to, you'd think they were relatively quiet. I beg to differ, even with custom earplugs they are more than loud enough.
I'd love to know how these pipes measure up with the new impending SAE J2825 tests that will be coming to some jurisdictions.
CLICKY
H.
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2007 Speedmaster Tornado Red/Black (Hers)
2010 Speedmaster Black/New England White (Mine)
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FriarJohn
"Lighten up, Francis."
Reged: 01/11/05
Posts: 18825
Loc: East Helena, Montana
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I forgot gutted TORs.
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BA.com Caretaker | Friarsride | jb.com
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LKR
Adjunct
Reged: 01/14/05
Posts: 185
Loc: Drayton Valley Alberta, Canada
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Thx for giving my Thunderbike's such a high rating. I ordered a set for my Trophy and the Kiwi's are giving me a a good deal because I was the first one to buy thier Speedmaster pipes in either North America or Canada I can't remember which. You are probably one of the only people on this forum who has heard all of these pipes so I trust your rating.
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FriarJohn
"Lighten up, Francis."
Reged: 01/11/05
Posts: 18825
Loc: East Helena, Montana
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Again, it's not a value judgment and it's not a contest. Loudest doesn't work for everyone. This is more about the characteristics of each set of pipes.
Freedom has a set of Thunderbikes for his Speedmaster but they won't fit on his bike with the Voyager trike kit. I guess I'll be paying more attention to bike exhausts this weekend in Nelson.
I may have to filter all the no-baffle pipes towards the top. I'm pretty sure all of those pipes without baffles would be similarly loud.
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BA.com Caretaker | Friarsride | jb.com
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LKR
Adjunct
Reged: 01/14/05
Posts: 185
Loc: Drayton Valley Alberta, Canada
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If Fredom's pipes are a length problem maybe they will swap him for a set of shorties. I have a set of the stock 2003 Shotgun's and shorty slash cut offroad quiet version. Had a set of the short offroad loud version but they were just obnoxious so I sold them. Freedom if you are listening drop me a line maybe we can work something out.
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FriarJohn
"Lighten up, Francis."
Reged: 01/11/05
Posts: 18825
Loc: East Helena, Montana
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He had his stock pipes cut down. He said he's hanging on to the Thunderbike pipes.
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BA.com Caretaker | Friarsride | jb.com
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Keith
Stickman Yogi
Reged: 03/21/09
Posts: 11664
Loc: BC, Canada
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Quote:
I may have to filter all the no-baffle pipes towards the top. I'm pretty sure all of those pipes without baffles would be similarly loud.
Yeah, I'm thinkin' the same thing. Our SSs without baffles are in effect, straight pipes.
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Live to love, love to live.
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The_Dog33
Fe Butt
Reged: 02/01/07
Posts: 17042
Loc: NE PA USA
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Slash cut stock is louder than tapered cut to long cannons (both gutted completely except the reducer) and the short slash cut JC Whitney are louder than both.
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I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
some shots of our bikes
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Conwy
Learned Hand
Reged: 05/21/07
Posts: 1278
Loc: Kent, WA, USA
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One of the reasons I bought the Bubs (way back when) was because someone, here, mentioned that the Bubs were tuned for our bikes.
I do know the tone of the Bubs is far better & deeper than the TORs. They also have more "bark" than TORs. They should be rated at least a 7, if not an 8.
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Blue/White 2007 TBA, Thruxton needles, Unifilter, AI removed, Polaris Bellmouth, Bubs, Nology Coils/wires, Lightbar, Ricor Intiminators, Hagon Nitros, Tall Sissy Bar w/luggage rack, Dart flyscreen & Lowers. 130 Mains.
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