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Old 12-28-2012, 09:28 PM   #1
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Default What's the purpose of exhaust wrap?

Is it there only to keep you from burning your hands?
Where do you get it? Is Dave's the only place?
Thanks,
-sr
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Old 12-28-2012, 09:52 PM   #2
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Default Re: What's the purpose of exhaust wrap?

Two purposes, from what I've gathered. One, to protect hands. Two, as an insulator to keep exhaust gases hotter. This allows the engine to 'breath' better. *insert technical explanation here*
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Old 12-28-2012, 10:04 PM   #3
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Default Re: What's the purpose of exhaust wrap?

I had one on my dom and didn't notice any difference, I took it off and threw it away, Also was thick enough it melted my roll cage tight to it.
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Old 12-28-2012, 11:29 PM   #4
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Default Re: What's the purpose of exhaust wrap?

Some use it on the 5ive to insulate the heat away from the electronics and battery,some pipes run real close to the battery box.
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Old 12-29-2012, 09:24 AM   #5
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Quote:
Originally Posted by RWhite View Post
Some use it on the 5ive to insulate the heat away from the electronics and battery,some pipes run real close to the battery box.
This is exactly what I do. Name:  ImageUploadedByTapatalk1356798238.671127.jpg
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Old 12-29-2012, 06:12 PM   #6
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Default Re: What's the purpose of exhaust wrap?

So you can lick your pipe without your tongue sticking to it.
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Old 12-29-2012, 09:25 PM   #7
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Default Re: What's the purpose of exhaust wrap?

How does it stick to the pipe? Once it's on is it possible to remove it?
-sr
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Old 12-29-2012, 09:27 PM   #8
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I use hose clamps at the start and end of the wrap and yes it can be removed
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Old 12-29-2012, 11:39 PM   #9
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Default Re: What's the purpose of exhaust wrap?

It's great for holding in moisture and rusting the shiznit out of your pipe
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Old 12-30-2012, 09:36 AM   #10
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Default Re: What's the purpose of exhaust wrap?

i"m using it on my rig it lowered the overall temp under the body by a good 50 to 60 deg F works very good for me. as for the rusty pipe if you dont park your truck in the driveway and take it inside it shouldn't rust too fast.
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Old 12-31-2012, 11:03 AM   #11
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Default Re: What's the purpose of exhaust wrap?

another thing i noticed that was related to wrap was it took away from exhaust working it's tuned range. My losi pipe was always crisp sounding, when i wraped it up it took away from the high end tune and when i cut it off it went rite back to normal. So in my case it took away from performance. I know some ppl in dirtbike world who use it just for tuning purposes, cuz other wise on two stroke it kills the vibrations and rusts your pipe, aswell as masks a exhaust leak. I seen one dude use wrap really loose with ok results...but it looked shotty.
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Old 12-31-2012, 12:45 PM   #12
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Default Re: What's the purpose of exhaust wrap?

Quote:
Originally Posted by LosiHigh View Post
another thing i noticed that was related to wrap was it took away from exhaust working it's tuned range. My losi pipe was always crisp sounding, when i wraped it up it took away from the high end tune and when i cut it off it went rite back to normal. So in my case it took away from performance. I know some ppl in dirtbike world who use it just for tuning purposes, cuz other wise on two stroke it kills the vibrations and rusts your pipe, aswell as masks a exhaust leak. I seen one dude use wrap really loose with ok results...but it looked shotty.
So masking the resonation of a pipe will impede it performance, or will it just be more difficult to tune because it sounds different?
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Old 12-31-2012, 03:07 PM   #13
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Default Re: What's the purpose of exhaust wrap?

Wrapping beyond the header can change the resonation of the pipe and change performance. More resonation is more power.
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Old 12-31-2012, 06:19 PM   #14
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Default Re: What's the purpose of exhaust wrap?

I would do it for the Flowsystem pipe. When I ran that pipe I definately burnt the shit out of my hand pullstarting it when it was hot. Dont miss that pipe at all.
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Old 12-31-2012, 07:04 PM   #15
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Default Re: What's the purpose of exhaust wrap?

a pipe is a tuned instrument so deadening the tone or note will result in a lower resonating vibration, it all depends on what motor combo and where your looking for power...there is no best or better performance, just a good combination working together for the desired result. If that makes sense,lol. im drunk...Happy new year!!
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Old 01-02-2013, 10:35 AM   #16
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Default Re: What's the purpose of exhaust wrap?

Hmm, think I'll rig up some heat shielding of my own and not wrap the pipe then. Thanks guys.
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Old 01-02-2013, 02:26 PM   #17
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Default Re: What's the purpose of exhaust wrap?

I have a VERY hard time believing a pipe's audible signature has any affect on engine performance. I have been made to understand the pipe shape is solely designed to create an 'ideal' back pressure and air volume for an engine's cycle.
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Old 01-02-2013, 03:58 PM   #18
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Default Re: What's the purpose of exhaust wrap?

It's not the sound. It's about preserving the wave reflection going down the pipe. Hit a cymbal with a drum stick then hold it with one hand and hit it. The positive pulse reduces the amount of fresh charge escaping out the exhaust port. Deaden the positive pulse a little and you loose some power.Probably not much with a cylinder wrap but some guys might notice it.

Last edited by XREDRACERX; 01-02-2013 at 04:00 PM.
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Old 01-02-2013, 06:55 PM   #19
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Default Re: What's the purpose of exhaust wrap?

Quote:
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I have a VERY hard time believing a pipe's audible signature has any affect on engine performance. I have been made to understand the pipe shape is solely designed to create an 'ideal' back pressure and air volume for an engine's cycle.
That's what i was thinking but my truck gets wet quite often so i was more worried in the regard.
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Old 01-03-2013, 09:43 AM   #20
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Default Re: What's the purpose of exhaust wrap?

Remember the old Nitro pipes from RB for the WS7II and WS7III? Those were perfect pipes, except you could crush them like a beer can in your hand.

Thin wall pipes made more power, but unpractical on todays moto crazy tracks.

Novarossi named one of their pipes the "SuperStrong" version just to reinforce that they actually had a pipe tough enough for American style tracks.

On road 1/8th scale, and airplane pipes are still fairly flimsy. I do kinda miss the good olde days with faster 1/8th speeds and less jumps. Motocross pipes are quite thin as well, but I only know thumpers so I'll let someone else comment on whether or not they are thin for weight, or power.
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