How can I get a quieter exhaust?

Mad_Accountant said:
I'm really not getting this thread at all.

I was out for 80+ miles today on my twin cam GSA , standard exhaust and simple Oxford Products foam ear plugs. Not once did I even notice the exhaust although, to be fair, I was running with my metal (BMW) panniers on.

The issue just has to be earplugs, riding without them is insane.
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I agree with this, ive got de cat headers an akra can, sounds fukin awsome when I aint got me plugs in and I just pop down the road, but anythin more an theres no way id not wear plugs!, what I will say is tho what ive found is if ive been using the same pair of plugs for longer than I should, I notice the noise must start to get thru the plugs, an that sounds worse than without plugs I think, almost annoyin!

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I love the sound of the exhaust on my twin cam (std). With panniers, without panniers, with top box, without top box, even with the wife on the back, I just love it. In the name of science I road without ear plugs today, I even loved it like that! :love
 
Helmet noise is toxic above 50mph so ear pugs are imperative. If cars generated the internal noise that bikes put up with inside helmets there would be a medical outcry. Until someone invents a genuinely quiet helmet (rather just a bit less noisy) or some active noise cancellation that works, we have no option but to use ear plugs or use a push bike.

With the performance of today's digital signal processors, I can't see why active noise cancellation isn't available. Presumably the biking market is too small to be worth the bother and/or riders are happy to go deaf before they complain.
 
The title of this thread, folks, is '' how do I get a quieter exhaust?'' It isnt about ear plugs . So if you have something useful to say about silencers, I would be delighted to read it.
 
Careful now. :comfort

The point being made is that you could stop all exhaust noise and still mess up your hearing.

Baffles in the standard can are one option. Baffles in an aftermarket can would probably be even less noisy. Combine those with an extended outlet and you will not hear the exhaust. But as said many times, the real issue is wind noise for which there are only two solutions - ear plugs or drive slowly. They also work for the exhaust noise.

BTW, the last time I used a seriously quiet bike a 12 y/o girl ran into the road right in front of me. Similar events never happened when I fitted some Beowulfs with baffles (the standard cans rotted out). I did many more miles with them fitted - not loud but not exactly silent either.
 
birdseye said:
Mostly I use the bike for pottering around the back roads of the brecon beacons and I prefer for that not to use ear plugs.
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OK, so most of the time you potter about, with no ear plugs but don't like the noise inside your Nolan flip front helmet.

birdseye said:
....And for the occasional rush of blood to the head speed wise, I prefer not to draw attention with a loud exhaust popping and banging on the over run.
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So it's safe to assume that these occasional burst of adrenalin pumping speed occur when you are out on your potters in your Nolan flip front helmet, without your ear plugs. Let's proceed....

birdseye said:
The title of this thread, folks, is '' how do I get a quieter exhaust?'' It isnt about ear plugs . So if you have something useful to say about silencers, I would be delighted to read it.
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In short, it's all about (decent) ear plugs and (probably) reverting to the standard exhaust.

Stick 'em in your ears and the nasty noises will all go away. Sacrifice that bit of wind in your ears, biker freedom, feel alive moment. Embrace instead that small pool of calm. Who knows, you may even go quicker if you are not harassed by wind and exhaust note. You'll be the envy of your friends. "Mate", they'll say, "You burnt up that R1 for toast, round them twisties". Feel the joy.

Not happy? OK, avoid those occasional adrenalin fuelled rushes when you surge 110 bhp (at the crank) of Munich's finely honed 'rider experience' into Lidl's car park. Stick to your usual pottering about.... Preferably still with decent ear plugs.

Still not happy? Buy a different bloody motorcycle.
 
birdseye said:
The title of this thread, folks, is '' how do I get a quieter exhaust?'' It isnt about ear plugs . So if you have something useful to say about silencers, I would be delighted to read it.
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Quite.

I wear decent ear plugs, so don't need any advice about them in this thread, although it's always interesting to hear what works for other folks.

Helmet is a Schuberth R1, so not exactly noisy.

If you like a noisy exhaust, that's great - start your own thread about it.


This is a thread about how to cut out unneccessary ambient noise.


So, let's have another go. What's the best way to quieten down the exhaust noise on a 2010 bike? Currently I'm weighing up how to fit a pre 2010 silencer, and whether I need to fit the whole system or not. Any helpful advice gratefully received. :)
 
Bendy toy said:
How I stop the engine clatter now my exhaust is so quiet. Should have bought a Honda.
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I can live with the engine clatter. Although d'you think some mineral based 20W50 would help shut things up? ;)


More seriously, I rode a mate's newly bought 2004 GS yesterday - much more like the kind of exhaust note I'd prefer.

It looks like the cans have steel baffles rather than wadding, so the internals from the older can can't be repacked into the shell of the newer one.

So, anyone got an old exhaust system they want rid of? ;)
 
Yes.twin cam gs exhaust is annoyingly loud.tried Remus hexacone on mine.quieter than standard and less farty.still got it and will post for sale soon. Got 13 rt now.much quieter
 
This may work for you:

When the exhaust of my DR800 rotted out, I had no choice but to fit an aftermarket replacement. Dreadfully noisy on a big single.
I obtained a "Triclover" Stainless steel steam pipe clamp, as used in the pharmaceutical industry, and had a small section taken out of it to make it fit properly over the end of my new exhaust.
I then had an instantly detachable baffle made, which could be clamped on or removed without tools.
Myke
IMG_1172.jpgIMG_1170.jpgIMG_1171.jpg
 
Wierpig said:
Yes.twin cam gs exhaust is annoyingly loud.
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On its launch, many regular pundits on 1200 UKGSer's 1200 pages were extolling the qualities of its bark, sharp retort and 'beefier' sound, over that of earlier models, which they regarded as lacking in presence. Did BMW get it wrong, again?
 
Myke Rocks said:
I obtained a "Triclover" Stainless steel steam pipe clamp, as used in the pharmaceutical industry, and had a small section taken out of it to make it fit properly over the end of my new exhaust.
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Inventive (in a self-reliant, rugged, way-of-the-biker, kinda way) as your solution is, Mike. I fear it will not meet the high standards of polished bling, as demanded by today's riders.

Besides, I'm not 100% sure that the exhaust in question features a suitable lip, rendering your inventive solution all but useless, as it will fall off at the first speed hump (taken standing up, of course) encountered at Tesco's carpark.
 
Wapping said:
OK, so most of the time you potter about, with no ear plugs but don't like the noise inside your Nolan flip front helmet.



So it's safe to assume that these occasional burst of adrenalin pumping speed occur when you are out on your potters in your Nolan flip front helmet, without your ear plugs. Let's proceed....



In short, it's all about (decent) ear plugs and (probably) reverting to the standard exhaust.

Stick 'em in your ears and the nasty noises will all go away. Sacrifice that bit of wind in your ears, biker freedom, feel alive moment. Embrace instead that small pool of calm. Who knows, you may even go quicker if you are not harassed by wind and exhaust note. You'll be the envy of your friends. "Mate", they'll say, "You burnt up that R1 for toast, round them twisties". Feel the joy.

Not happy? OK, avoid those occasional adrenalin fuelled rushes when you surge 110 bhp (at the crank) of Munich's finely honed 'rider experience' into Lidl's car park. Stick to your usual pottering about.... Preferably still with decent ear plugs.

Still not happy? Buy a different bloody motorcycle.
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Wapping does indeed rule:D
 
sharkojoints said:
It's a thought...

I've ordered one of these:

http://www.ebay.co.uk/itm/BAFFLE-DB...AN-/270704565955?ssPageName=ADME:L:OC:GB:3160

so will report back when it's fitted.

I can't be the only one who prefers a quieter bike!
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So to conclude, got a refund on the above, minus £3 the vendor deducted to pay for his P&P to me.

Opted instead for this:

http://www.ebay.co.uk/itm/151026749787?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649

Just fitted and works a treat - still a noticeable rumble and 'good' exhaust note, but definitely quieter than the standard short Akra 2010-12 baffle, and quieter than the standard can.

Hopefully it'll be all I need - looks like I can easily modify it for further noise reduction if necessary.
 
sharkojoints said:
More seriously, I rode a mate's newly bought 2004 GS yesterday - much more like the kind of exhaust note I'd prefer.

It looks like the cans have steel baffles rather than wadding, so the internals from the older can can't be repacked into the shell of the newer one.
Click to expand...

Yup. They look like this...


 
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