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BSA loud mufflers? (Plus a little extra hp) #707636
09/07/17 8:39 pm
09/07/17 8:39 pm
Joined: Jun 2017
Posts: 115
Canada
A
Alexp Offline OP
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Alexp  Offline OP
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Joined: Jun 2017
Posts: 115
Canada
Looking for an upgrade to my BSA B25. I want to add a little extra HP and if it's loud, that's fine as well, as I find the stock muffler is a bit too quiet to be safe. I'm open to anything! Located in Canada but no problems shipping overseas if I have to! Thanks!!

alexP

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Re: BSA loud mufflers? (Plus a little extra hp) [Re: Alexp] #707655
09/08/17 1:05 am
09/08/17 1:05 am
Joined: Jan 2012
Posts: 255
Oahu Hawaii USA
Roger Gulledge Offline
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Roger Gulledge  Offline
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Posts: 255
Oahu Hawaii USA
Alexp...you might get more of a response if you post this on the BSA page or British Motorcycles in General.


Roger G
70 Thunderbolt
Re: BSA loud mufflers? (Plus a little extra hp) [Re: Alexp] #707677
09/08/17 11:23 am
09/08/17 11:23 am
Joined: Dec 2004
Posts: 9,237
Scotland
kommando Online content
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kommando  Online Content
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Joined: Dec 2004
Posts: 9,237
Scotland
Norton Commando peashooter silencers fit as pipe diameter is the same, not sure if they add power but they sound good and not overly load and are straight through, the bike seems to pick up better when the revs rise but this is always deceptive as it could be its worse lower down than before. You just need to fabricate a bracket to go from the 2 bolt holes on the peashooter to the current plate near the passenger footpeg.

Re: BSA loud mufflers? (Plus a little extra hp) [Re: Alexp] #707819
09/09/17 1:17 pm
09/09/17 1:17 pm
Joined: Jun 2017
Posts: 115
Canada
A
Alexp Offline OP
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Alexp  Offline OP
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Posts: 115
Canada
Thank you Roger and Kommando for getting back to me! Kommando, I have seen those pipes on BSAs before, and am going to order one and give it a shot! Thanks!!

Roger- I was under the impression that any modding be out here. Didn't want the BSA boys throwing eggs at me! smile

Alex

Re: BSA loud mufflers? (Plus a little extra hp) [Re: Alexp] #709880
09/28/17 7:54 am
09/28/17 7:54 am
Joined: May 2013
Posts: 4,765
Rotherham - S. Yorkshire
Allan Gill Offline

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Allan Gill  Offline

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Joined: May 2013
Posts: 4,765
Rotherham - S. Yorkshire
Which silencer have you got fitted now? the shorter (A10/A65 esk styled one) or the longer ugly (IMO) cigar shaped silencer? the shorter one will work quite well compared to the later cigar type.

Alternately, If you can get your hands on an original dunstall mega (the pattern ones don't seem to be of the same quality) shorten the downpipe a little then you will alter the performance characteristics....

Alternately.... fit a bigger motor wink

http://www.britbike.com/forums/ubbthreads.php?ubb=showgallery&Number=703335#comments


beerchug
Re: BSA loud mufflers? (Plus a little extra hp) [Re: Alexp] #711313
10/12/17 2:33 pm
10/12/17 2:33 pm
Joined: Jun 2017
Posts: 115
Canada
A
Alexp Offline OP
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Alexp  Offline OP
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Joined: Jun 2017
Posts: 115
Canada
Alan, thanks mate!

I have the A10 style, as my B25 is the scrambler model. I would like to fit a bigger motor!!! Haha! Actually as it's my first ever motorcycle, I figured a 250 would suit me just fine!! I will see what the chances are of getting an original Dunstall, but I have a feeling that's a tall order!


Alex

Re: BSA loud mufflers? (Plus a little extra hp) [Re: Alexp] #711579
10/14/17 9:32 pm
10/14/17 9:32 pm
Joined: Aug 2015
Posts: 1,096
Bolton Lancs UK
A
Andy Higham Online content
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Andy Higham  Online Content
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Joined: Aug 2015
Posts: 1,096
Bolton Lancs UK
"Listen to me I must be going fast"


1955 BSA B31 500cc "Stargazer"
1962 Greeves 200cc "Blue Meanie"
1962/67 Greeves 350
1967 Greeves 360 Challenger
1984 Suzuki GSX1100 EFE "Sorcerers Apprentice"
GM500cc sprint/LSR bike "Deofol"
Jawa 500cc "Llareggub"
2003 Aprilia RSV Mille "Lo Stregone"
Re: BSA loud mufflers? (Plus a little extra hp) [Re: Alexp] #711991
10/19/17 2:24 pm
10/19/17 2:24 pm
Joined: Sep 2007
Posts: 443
S.E. Ohio
H
HillbillyBarr Offline
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HillbillyBarr  Offline
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H
Joined: Sep 2007
Posts: 443
S.E. Ohio
Since you've got a high pipe how about the C15's comp pipe? They go for about $90 US on eBay. I was thinking of using them on my 441 Victor

Re: BSA loud mufflers? (Plus a little extra hp) [Re: Alexp] #712063
10/20/17 6:02 pm
10/20/17 6:02 pm
Joined: Jun 2017
Posts: 115
Canada
A
Alexp Offline OP
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Alexp  Offline OP
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A
Joined: Jun 2017
Posts: 115
Canada
Hillbilly thanks for that! I'm going to look into that!!

Nick - good info mate thanks

Andy- haha. The sarcasm you bring always makes me laugh!! In my defence, I have a small, 250cc cafe racer. If it sounds like a bee, then it's not really the best thing ever. I would also like to not get hit by a car as here in Canada, motorcyclists tend to be looked over when people are making turns!!

Re: BSA loud mufflers? (Plus a little extra hp) [Re: Alexp] #720711
01/01/18 10:18 am
01/01/18 10:18 am
Joined: Sep 2015
Posts: 305
Kent, England
J
John Alexander Offline
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John Alexander  Offline
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J
Joined: Sep 2015
Posts: 305
Kent, England
i had a BSA 250 Starfire way back in 1968 and a UK dealership called Gander and Gray production raced in 67 but were unable to achieve the same performance from the 68 model, they reverted back to the standard silencer, and the performance was restored
Silencers are a science
Goldie John

Re: BSA loud mufflers? (Plus a little extra hp) [Re: Alexp] #720713
01/01/18 10:32 am
01/01/18 10:32 am
Joined: Sep 2015
Posts: 305
Kent, England
J
John Alexander Offline
BritBike Forum member
John Alexander  Offline
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J
Joined: Sep 2015
Posts: 305
Kent, England
Sorry, an update, it was the 69 Model and they reverted to the 68 silencer, the 69 model did not rev as high.My star fire was moderately tuned by them and it revved to 9,000.



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