Poll: How Do You Feel About Loud Pipes? - Page 3 - Kawasaki Versys Forum
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post #41 of 54 (permalink) Old 02-18-2018, 02:05 PM
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I was in the car w/ my wife yesterday. We were passed by a Harley (w/ VERY loud pipes!) going QUITE fast, the rider wearing the "Harley-uniform", feet forward in the "OBGYN" position, and I'll admit that that sudden intrusion of noise startled the hell out of me!

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post #42 of 54 (permalink) Old 03-05-2018, 06:19 AM
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I don't mind a throaty rumble, but straight pipes don't belong on the street.
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so it goes...
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post #43 of 54 (permalink) Old 09-22-2019, 03:43 PM
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loud pipes work in traffic where it's legal to split lanes. i'm not talking loud enough to cause a coronary but leave the baffles in the aftermarket pipes and people doing 25-30 mph on the freeway will hear you coming. i see most of the people with a negative opinion on loud pipes aren't able (legally) to filter. spend some time commuting in the sf bay area and you might think differently. i'd stick with a stock pipe like i'd commute in my car.

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post #44 of 54 (permalink) Old 09-23-2019, 12:08 AM
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"The Doppler effect … is the change in frequency of a wave … for an observer moving relative to its source … It is commonly heard when a vehicle sounding a siren or horn approaches, passes, and recedes from an observer. Compared to the emitted frequency, the received frequency is higher during the approach, identical at the instant of passing by, and lower during the recession.”

In other words, the deep, throaty roar of loud pipes isn’t really very deep or throaty until the vehicle has passed the listener. "

Another , interesting point to note:

Now, consider the definitive Motorcycle Accidents In-Depth Study from Europe, in which researchers found the vast majority of motorcycle collisions come from the front of the bike. That’s bad news for a motorcyclist, if he or she is relying on loud pipes as an Distant Early Warning system. The Doppler Effect means your exhaust could be creating a dangerous false confidence; by the time the car driver knows you’re there, it may be too late.

So there is Pros and Cons on loud pipes. I just keep to a level where all are comfortable with a smile when i pass them.

*Pilots and Racing Car drivers will vouch for this Doppler Effect.
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post #45 of 54 (permalink) Old 09-23-2019, 07:48 AM
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If making a bunch of noise helps get noticed(I'm not sure that any credible actual research has been done on this), would it not better to have the exhaust pointing forward to better spread the "alerting noise" to where you are heading instead of where you have been?

My opinion, loud pipes lose rights. An example: when living in MN there was a pretty cool campground about three miles from our house. They allowed no motorcycles. I asked why. Too noisy was the answer that I got. I asked about quiet ones. They said that they didn't want bother with judging the noise levels. This in spite of a Minnesota state law prohibiting discrimination against people depending on mode of transportation when seeking public accommodations, i.e. restaurants, bars, lodging, etc.
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And most of Canada too, eh?
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post #46 of 54 (permalink) Old 09-23-2019, 01:33 PM
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Quote:
Originally Posted by Fastoman View Post
"The Doppler effect … is the change in frequency of a wave … for an observer moving relative to its source … It is commonly heard when a vehicle sounding a siren or horn approaches, passes, and recedes from an observer. Compared to the emitted frequency, the received frequency is higher during the approach, identical at the instant of passing by, and lower during the recession.”

In other words, the deep, throaty roar of loud pipes isn’t really very deep or throaty until the vehicle has passed the listener. "

Another , interesting point to note:

Now, consider the definitive Motorcycle Accidents In-Depth Study from Europe, in which researchers found the vast majority of motorcycle collisions come from the front of the bike. That’s bad news for a motorcyclist, if he or she is relying on loud pipes as an Distant Early Warning system. The Doppler Effect means your exhaust could be creating a dangerous false confidence; by the time the car driver knows you’re there, it may be too late.

So there is Pros and Cons on loud pipes. I just keep to a level where all are comfortable with a smile when i pass them.

*Pilots and Racing Car drivers will vouch for this Doppler Effect.
Loud pipes seem to go hand in hand with half brain buckets and no gear protection. And ignorant riders seem to have loud pipes, like the ones going to Dover on Friday the 13, that ride between 70 and 80 KM/HR , in large groups, refusing to let the regular traffic pass. I said it in the Title, I have added lighting, high visibility gear, Denali sound bomb horn, motorcycle safety course, the best is to be aware of your position in traffic, I would say at least once on every ride I come across a driver that may not be aware I am beside of behind them, I may pull ahead, pull up beside or drop back, unusual driving by someone in front I either pass or give them 2 extra car lengths . Loud pipes just is offensive to me, we have several in our neighborhood.
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post #47 of 54 (permalink) Old 09-23-2019, 05:32 PM
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Originally Posted by kballowe View Post
What do we do on the electric bikes ?

Speakers?

Speaking of electric bikes.....
Attached Images
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post #48 of 54 (permalink) Old 09-23-2019, 11:10 PM
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When I was young I thought loud pipes were cool. All my race bikes did not have mufflers (probably why I have hearing loss today. Loud jet aircraft is the other culprit)

Now that I am old I enjoy quiet exhaust like on my V-650. I can sneak up on cars and blow by before they know hit them (not literally)

The old motors would run better when you un-corked them by removing the muffler. Today's bikes however, usually don't run as well is all you do if change the exhaust without other tweaks like ECU flash or professionally tuned power commander.
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post #49 of 54 (permalink) Old 09-24-2019, 12:37 AM
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The stock muffler gets a weird squeak rattle sometimes; and the after market replacements are cheaper. Mine is a little loud but I wear earbuds.
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post #50 of 54 (permalink) Old 09-24-2019, 12:54 AM
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Speaking of electric bikes.....
You can go for a full blown Hi-Fi sound system since you have the required electrical juice.
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post #51 of 54 (permalink) Old 09-24-2019, 11:28 AM
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The stock muffler gets a weird squeak rattle sometimes; and the after market replacements are cheaper....
As your stock muffler came as part of your purchase price for your Versys, I fail to understand how you say after market replacements are cheaper, when you have to reach into your wallet to get one....



BTW - the OEM exhaust on my '08 has 85,219 miles on it, and except for looks (LOTS of burnt-on chain lube on it!) works perfectly, so I expect it'll last the life of the bike. Likewise for the muffler on my '15 which has OVER 73,000 kms on it so far.

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Last edited by fasteddiecopeman; 09-24-2019 at 11:32 AM.
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post #52 of 54 (permalink) Old 09-26-2019, 10:26 PM
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Quote:
Originally Posted by fasteddiecopeman View Post
As your stock muffler came as part of your purchase price for your Versys, I fail to understand how you say after market replacements are cheaper, when you have to reach into your wallet to get one.
Uh... if you need to replace a squeaky muffler, its cheaper to replace with aftermarket. Get it?
Also, congratulations on your muffler's long life.
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post #53 of 54 (permalink) Old 10-03-2019, 02:17 PM
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What do we do on the electric bikes ?

Speakers?

I believe the Harley Livewire electric has speakers. I think the powers that be at HD thought it was too big of a jump for their base to take away their noise. So how about this,a good compromise for the rest of life on earth.... Aim the speaker forward directionally to please the crowd that wants noise to notify the traffic ahead of their imminent arrival. Even aim some speaker at the rider. Then you can go to town on the raquet, even wear earplugs!
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post #54 of 54 (permalink) Old 10-04-2019, 09:44 PM
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Quote:
Originally Posted by 78530i View Post
Uh... if you need to replace a squeaky muffler, its cheaper to replace with aftermarket. Get it?
Also, congratulations on your muffler's long life.
it sounds like bad muffler bearings. they can squeak something awful. expensive too. before we met the little mrs had a mechanic charge her an arm and a leg to replace them on a mustang.

high heat grease i think should do the trick.

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