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Nabbed for loud exhaust

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I had a discussion with a friend last week as I was showing him my newly-rebuilt chopper (insert gratuitous smutty joke here). He didn't like the noise and didn't understand why it was loud. (The exhaust is nearly straight through and is quite loud.)

The sound of the bike is as much a design feature as any aspect of the styling.

People who complain about noise pollution will only be inconvenienced for a few seconds as I ride past. This is Thailand after all, where noise is ever-present and consideration for your fellow man is sadly lacking. I don't use my bike late at night out of consideration for my neighbours.

There is one big positive about the exhaust volume and it has been mentioned here before: it makes other road users more aware of you, and for a motorcyclist in Thailand, that is a very good thing.

As usual, I say "Live and let live". If you're so highly strung that the loud exhaust of a passing bike makes you foam at the mouth, have another beer and relax. I feel sure we bikers could easily find something objectionable about you as well!

biggrin.png

4 seconds for your bike and then 2 minutes later is the next bike loud and on and on. You are not the only guy with a loud exhaust.

When will people learn to be more considerate. :)

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Sounds great! Please send those BiBs to Chiang Mai.

They'll make a fortune after 9pm!!

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Too bad they didnt fine you more. I am not a big fan of any big bikes with loud exhausts. Theres loud and theres LOUD. I guess your were the LOUD one...

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Do they actually have a decibel meter? And do they know what the legal limit is? Do they know what a decibel is? smile.png

I changed my Scrambler exhaust to a Termignoni. I keep the baffle inside and measured with the phone about 90 dB but phones have crappy mics and another guy with a proper meter measured 84dB from a 50 feet distance which I think is a bit far but well within the 95dB limit in Thailand. To go from 84 to 95 is actually a tenfold increase.

And my exhaust is pretty audible. I try to not ride it in the night in order to not upset any neighbours. But it's not as loud as some Thai scooters...

Anyone know of a shop here in Chiangmai where one could purchase an internal baffle and install it in the pipes of a customized exhaust system?

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I think you are wildly mistaken...rolleyes.gif ...Anyone with any hobby will have someone out there moan about something.

For instance, if a guy wants to take a photo and l must stop so he can take it, do l moan that l had to wait, no, well l wouldn't.

Do folk moan about a plane flying over head making a racket.?, well I don't.

What I do moan about is a plonker who comes on a microphone at 6 in the morning, playing bad repro music and blabbering about nothing through loud speakers that probably pisses folk off within a mile radius for about half hour. sad.png

Edited by seedy
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Can any of you guys riding around explain to me why you NEED a loud exhaust pipe?

Does the bike go any faster, is it more efficient, cheaper to run or what?

Every moron can make noise !!! and so can he drive without exhaust pipes and disturb people's tranquillity.

I have a (Farang) friend in Chiang Mai Riding a Modified Honda 1600 or something like that....and when he started he's engine I couldn't hear any sound...

Only when he pushed the revs could I hear a soft un-disturbing noise....Now that's impressive !!! REAL IMPRESSIVE !!!.

I don't think any Thai would ride such a Marvell....!!!

Best Regards.

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Can any of you guys riding around explain to me why you NEED a loud exhaust pipe?

Does the bike go any faster, is it more efficient, cheaper to run or what?

That is exactly why. While there is no need by any means for a LOUD exhaust pipe, the after market exhausts usually increase performance, which often means an increased DB level as well. Like already mentioned, they are often a lot lighter than stock exhausts, reducing the overall weight of the bike. For most (big bike) bikers, keeping the stock exhaust is not even an option!

What I don't understand is people fitting loud exhaust on their <125cc mopeds just to increase the sound, like many teenagers here like to do. Actually I hate it, as there is a bridge just in front of my condo and they are speeding there on their crappy bikes at night.. oh well that's what earplugs are for smile.png

For bigger bikes (650-1300cc) I don't see a problem with louder aftermarket exhausts. Firstly, they can still run at quiet at lower RPM when necessary and won't make much noise unless you are riding them hard. Secondly, it's also good to hear faster bikes when they are coming, because it can be often hard for cars to estimate how fast these bikes can accelerate (and suddenly be in front of you) so it kind of works as a warning too.

ps. I ride a quiet PCX scooter myself..

Anyone know if all aftermarket exhaust are illegal in Thailand? Because e.g. Akrapovic comes with CE-markings and proof in Europe; they produce fully approved exhausts for road use that aren't too lound unless you remove the baffle. But what is the case in Thailand? Do any of the more expensive aftermarket exhausts such as Akrapovic come with (local) road use certification?

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Can any of you guys riding around explain to me why you NEED a loud exhaust pipe?

Does the bike go any faster, is it more efficient, cheaper to run or what?

That is exactly why. While there is no need by any means for a LOUD exhaust pipe, the after market exhausts usually increase performance, which often means an increased DB level as well. Like already mentioned, they are often a lot lighter than stock exhausts, reducing the overall weight of the bike. For most (big bike) bikers, keeping the stock exhaust is not even an option!

What I don't understand is people fitting loud exhaust on their <125cc mopeds just to increase the sound, like many teenagers here like to do. Actually I hate it, as there is a bridge just in front of my condo and they are speeding there on their crappy bikes at night.. oh well that's what earplugs are for smile.png

For bigger bikes (650-1300cc) I don't see a problem with louder aftermarket exhausts. Firstly, they can still run at quiet at lower RPM when necessary and won't make much noise unless you are riding them hard. Secondly, it's also good to hear faster bikes when they are coming, because it can be often hard for cars to estimate how fast these bikes can accelerate (and suddenly be in front of you) so it kind of works as a warning too.

ps. I ride a quiet PCX scooter myself..

Anyone know if all aftermarket exhaust are illegal in Thailand? Because e.g. Akrapovic comes with CE-markings and proof in Europe; they produce fully approved exhausts for road use that aren't too lound unless you remove the baffle. But what is the case in Thailand? Do any of the more expensive aftermarket exhausts such as Akrapovic come with (local) road use certification?

5 cylinder Honda 125cc.........wub.png

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Can any of you guys riding around explain to me why you NEED a loud exhaust pipe?

Does the bike go any faster, is it more efficient, cheaper to run or what?

Loud pipes is your horn.So cars and trucks see you.It helps from getting ran over.

But the exhaust pipe points to the rear and if you are in a car or a truck with the stereo on loud you won't hear the bike in front anyway

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Can any of you guys riding around explain to me why you NEED a loud exhaust pipe?

Does the bike go any faster, is it more efficient, cheaper to run or what?

Yes.

Stock exhausts are Nannystated - choked up and restricted to pass both US and EU emisions and noise laws.

Aftermarket exhausts will often be about 5kg lighter, make the engine a lot more responsive, as well as often making the top gear less like an overdrive gear and more like a gear that actually revs. Different bikes and exhausts permitting of course.

Comboned with an after-market airfilter and fuel-controller you're looking at a very decent bump in performance and nice loss in weight. smile.png

But then you are breaking the law and leaving yourself open to the same problem as the OP has when he gets stopped for a noisy exhaust.

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With a modified exhaust and intake, 10% increase in power. I guess that 4 seconds of noise ruins you whole day.

Wow!!! And this in a country with highspeed max. limit of 120 km/h? Hahaha....!!!!

I think the bike drive without a modified exhaust 132 km/h too!!!

I also have a Honda CB400 with stock exhaust and no after market gizmos.

I will reach 170kph though the most I have doe was 160kph, and that only once.

I normally ride it at 100 to 120kph which is fast enough for me and gives me some spare power if I need it.

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BANGKOK 18 July 2018 04:07
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