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Exhaust Wrap ?s
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  (#1)
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Exhaust Wrap ?s - July 9, 2007, 12:34 PM

I'm considering wrapping my pipes after I gut the cat out of my R1's y-pipe due to an ever lingering heat issue. Several times after riding on a hot day I'll pull into a gas station, shut the bike down to gas up, turn the key back on and the heat light is on with the temp reading 246!? I've never had a bike get that hot before and asking around it doesn't seem to be an issue for some other owners of the 07 R1... it makes me worry, yet at the same time i think maybe it'll resolve its self after more mileage is put on it. It runs in the correct temp range, and maintains a good temp when at a standstill...

Either way I know that I am gutting the cat from the Y-pipe this week, my question is more so about exhaust wrap. Pros, cons, personal experiances, all relative info regarding this would be appriciated.

Thanks,

Ghost


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July 9, 2007, 12:37 PM

I can't speak from a Temp perspective - but I ran the heat wrap on my NX and now on my DRZ400sm... I used it as the pipe was under my right knee - and when I stood on the pegs to stretch - I would melt my riding pants.... It's great to contain the heat - it's supposed to add like a hp or something.... As it's cooler - I would suspect that it would allow for more cooling - but I dunno


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July 9, 2007, 12:45 PM

Address that heat/temp issue ASAP.

I've used tons of wrap and one of my bikes really gets hot.

Pros:
If you touch a hot pipe with wrap it doesn't burn as fast.
You will notice a change if there are hotspots like knees or ankles.
Looks good.
East to install.

Cons:
You probably won't see any hp gains.
I've heard they can eat pipes up but I haven't noticed any problems.

Let me know if you need some install tips/trick.
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July 9, 2007, 12:55 PM

Quote:
Originally Posted by nunyadambusiness
Address that heat/temp issue ASAP.

I've used tons of wrap and one of my bikes really gets hot.

Pros:
If you touch a hot pipe with wrap it doesn't burn as fast.
You will notice a change if there are hotspots like knees or ankles.
Looks good.
East to install.

Cons:
You probably won't see any hp gains.
I've heard they can eat pipes up but I haven't noticed any problems.

Let me know if you need some install tips/trick.
Good point - the wrap CAN eat your pipes (headers etc) if they are prone to rust as they can trap moisture.. However, if you are using aftermarket headers made of stainless - etc.. they wont rust....


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  (#5)
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July 9, 2007, 12:55 PM

There is no HP gain directly as a result of exhaust wrap. It is the indirect result of keeping underhood, or in this case, under plastic, temperatures down and therefore allowing for a cooler/denser mixture entering the combustion chamber.

It effectively works by keeping the exhaust within the pipes and going directionally out of the tailpipes. Keeping the heat from entering the atmospheric air in and around the engine will allow the engine to run more timing, etc....make more HP.

The disadvantage as Nunya mentionned is that if not properly watched, the fiberglass can wick up water and keep it near your pipes and potenially rust out parts. This is not much of a concern on Sportbikes because many of them are using exotic materials or stainless in their exhaust components that are rust proof. If you get the bike wet, don't put it away for a long period of time like that. Run it until it is good and hot and burn all the water out. Beyond that, you should be fine.
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July 9, 2007, 12:55 PM

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  (#7)
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July 9, 2007, 12:58 PM

Quote:
Originally Posted by nunyadambusiness
Address that heat/temp issue ASAP.

I've used tons of wrap and one of my bikes really gets hot.

Pros:
If you touch a hot pipe with wrap it doesn't burn as fast.
You will notice a change if there are hotspots like knees or ankles.
Looks good.
East to install.

Cons:
You probably won't see any hp gains.
I've heard they can eat pipes up but I haven't noticed any problems.

Let me know if you need some install tips/trick.
I've been toying with what I should do about the temp, Don't really want to take it to the dealer because the heat / temp issue is only when I shut it down on a VERY hot day ( such as yesterday when it was 95 out ) while the running temp never goes higher than 224 when the fans kick on, both fans are running at full rpms. So not sure if i want someone meddling with my bike as long as it runs within the correct ranges.

What brand of wraps did you use for your pipes? Do you have a link if you ordered it online?


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July 9, 2007, 12:59 PM

Can't say I've ever heard of a bike getting all the way to 246, but its not uncommon to see temps rise after you cut the bike off as coolant isn't circulating any longer.

Now, if it were running and you saw 246, then I'd really be concerned.


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  (#9)
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Thumbs up July 9, 2007, 01:00 PM

Quote:
Originally Posted by BlackHatch
There is no HP gain directly as a result of exhaust wrap. It is the indirect result of keeping underhood, or in this case, under plastic, temperatures down and therefore allowing for a cooler/denser mixture entering the combustion chamber.

It effectively works by keeping the exhaust within the pipes and going directionally out of the tailpipes. Keeping the heat from entering the atmospheric air in and around the engine will allow the engine to run more timing, etc....make more HP.

The disadvantage as Nunya mentionned is that if not properly watched, the fiberglass can wick up water and keep it near your pipes and potenially rust out parts. This is not much of a concern on Sportbikes because many of them are using exotic materials or stainless in their exhaust components that are rust proof. If you get the bike wet, don't put it away for a long period of time like that. Run it until it is good and hot and burn all the water out. Beyond that, you should be fine.
Exactly the kinda answer I was looking for. Thank you, sir.


R.I.P. Eric "TheIrishGuy"

"Will you carry me down the aisle that final day
With your tears and cold hands shaking from the weight
When you lower me down beneath that sky of gray
Let the rain fall down and wash away your pain"


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July 9, 2007, 01:00 PM

Quote:
Originally Posted by hondahawkrider
Good point - the wrap CAN eat your pipes (headers etc) if they are prone to rust as they can trap moisture.. However, if you are using aftermarket headers made of stainless - etc.. they wont rust....
The 07 R1's are all Titanium I think. He shouldn't have any negatives issues with wrapping.


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July 9, 2007, 01:16 PM

http://store.summitracing.com/egnsea...p?N=115+400384

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July 9, 2007, 01:19 PM

It can also burn out mufflers due to much hotter exhaust gases. I burned an SS2R carbon pipe completely out when I wrapped my 89 FZR header pipes.


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  (#13)
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July 9, 2007, 01:34 PM

Quote:
Originally Posted by nunyadambusiness
http://store.summitracing.com/egnsea...p?N=115+400384

Get the 2" black. Yes, get the SS zip ties and paint. Yes, paint the black. Thank me later.
Is 50 ft' enough to wrap the whole system? or should I buy two rolls?


R.I.P. Eric "TheIrishGuy"

"Will you carry me down the aisle that final day
With your tears and cold hands shaking from the weight
When you lower me down beneath that sky of gray
Let the rain fall down and wash away your pain"


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July 9, 2007, 01:45 PM

Quote:
Originally Posted by nunyadambusiness
Address that heat/temp issue ASAP.
I've heard they can eat pipes up but I haven't noticed any problems.
+1 - Bikes that get rained on, washed frequently etc.... It holds moisture, thus accelerating rust.... literally makes rotating lines around the pipes.


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July 9, 2007, 01:52 PM

Quote:
Originally Posted by Nudist
+1 - Bikes that get rained on, washed frequently etc.... It holds moisture, thus accelerating rust.... literally makes rotating lines around the pipes.
But... Titanium won't rust, its extremely resistant to rust and corrosion. The 07 R1's stock exhaust is Titanium if I'm not mistaken.


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