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Exhausts Exhausts - Headers, Mid Pipes, Mufflers


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December 8th, 2011, 11:54 PM   #41
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Re: FMF Ti Powercore in Blue Anodized installed on FE570

If thats the case, then I'm ordering one of these! http://www.fmfracing.com/Products/MX/579
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December 9th, 2011, 12:15 AM   #42
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Re: FMF Ti Powercore in Blue Anodized installed on FE570

OH man does that mean I could have got the carbon fiber 4.1 ? Well I bought the 4.1 # 045268 for less than $ 350.00
no tax free shipping on amazon :P So if it wakes it up so be it. I cant see the thing unless I'm having a cold one and spectating not riding. Just like black rifles don't need to make a barbie doll, just wanna gun it!!!!!!
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December 9th, 2011, 12:51 AM   #43
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Re: FMF Ti Powercore in Blue Anodized installed on FE570

Originally Posted by THEBIGNESS
OH man does that mean I could have got the carbon fiber 4.1 ? Well I bought the 4.1 # 045268 for less than $ 350.00
no tax free shipping on amazon :P So if it wakes it up so be it. I cant see the thing unless I'm having a cold one and spectating not riding. Just like black rifles don't need to make a barbie doll, just wanna gun it!!!!!!
Hahaha you do make a good point. Well hopefully the KTM Carbon 4.1 will fit my fe390 from the sounds of things all the ktm 4-stroke mufflers are the same as the Husabergs?

@ THEBIGNESS whats the #045268 from which ktm?
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December 9th, 2011, 01:18 AM   #44
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Re: FMF Ti Powercore in Blue Anodized installed on FE570

Originally Posted by THEBIGNESS
OH man does that mean I could have got the carbon fiber 4.1 ? Well I bought the 4.1 # 045268 for less than $ 350.00
no tax free shipping on amazon :P So if it wakes it up so be it. I cant see the thing unless I'm having a cold one and spectating not riding. Just like black rifles don't need to make a barbie doll, just wanna gun it!!!!!!
Mmmm black rifles, mine are LMT MRPs
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December 9th, 2011, 12:43 PM   #45
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Re: FMF Ti Powercore in Blue Anodized installed on FE570

Originally Posted by Thurston
Originally Posted by THEBIGNESS
..from the sounds of things all the ktm 4-stroke mufflers are the same as the Husabergs?
All the KTM and Husaberg 4-stroke enduro models I've seen can use the same muffler. From 250 -06 to 570 -12.

Strange though that the FMF's mufflers look different on the pictures.
Any FMF owner that can tell us if the FMF muffler comes with only one pad-eye to suspend it in, and if so do it still fit the "normal" KTM-husa 2 point mount?

You asked if anyone has anything to say about acra:
I personally use acrapovic and I'm very happy with that. I use the dB killer (an insert) if I want to have it more silent and I go fully open when I want to have fun on roads.

This is me and my 570 the first time I try the acra.
[youtube:13pq7pbx]http://www.youtube.com/watch?v=A8ftj_Zq768[/youtube:13pq7pbx]
It is very loud when I give full throttle without the dB killer, but it is so much more fun as I can feel that the engine is not restricted when I get to higher revs. It also starts much easier (almost instant) and the engine is snappier. This is a 570 so I guess its more silent on a 450 or a 390.
I havent heard a FMF muffler so I cant compare. I do love the acra sound, dB killed or not, and on lower revs its just nice and not to loud.

I'm planning to make a film where I compare original muffler, acra with dB killer and full open acra. Set up the camera identical for all 3 versions and go through idle, rev up and driving. Later sometime..

edit: for some reason I get an error if I try to watch my embedded youtube here. If you have trouble this is the adress: http://www.youtube.com/watch?v=A8ftj_Zq768
Copy and paste it, the link give me error too...
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December 14th, 2011, 03:04 AM   #46
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Re: FMF Ti Powercore in Blue Anodized installed on FE570

Sweet video! WOW you can really hear the difference of the Akrapovic, I wonder what a 390 with an Akra sounds like would imagine it'd be heaps rev'y. Thanks
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December 14th, 2011, 09:37 PM   #47
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Re: FMF Ti Powercore in Blue Anodized installed on FE570

Originally Posted by jon andersson
...

I do know that my FE570 muffler fit my friends KTM 250 EXC -06. I had a FE390 before my 570 and that muffler looks the same. My impression is that mufflers are quite compatible over model and brand when it comes to KTM-Husaberg.

...
Are you absolutely sure about that your friend has a 2006 250EXC-F ?
In my world the EXC-F got the new engine in 2007 and the new chassi in 2008. The SX-F on the other hand got the new engine in 2006.
The article number for the muffler are the same for 2005 and 2006 but changes in 2007.
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December 14th, 2011, 09:39 PM   #48
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Re: FMF Ti Powercore in Blue Anodized installed on FE570

Originally Posted by jon andersson
...

All the KTM and Husaberg 4-stroke enduro models I've seen can use the same muffler. From 250 -06 to 570 -12.

...
And again...

Be patient with me, I'm just trying to make sure no one makes a mistake regarding year confusion
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December 15th, 2011, 10:08 AM   #49
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Re: FMF Ti Powercore in Blue Anodized installed on FE570

Maybe you are right Jocke! I'm only going by what my friend always has told me, -06. I havent seen any numbers on paper so who knows, my friend could be wrong as he bought it used on blocket.se

But this is how it looks: http://www.bikez.com/motorcycles/ktm...acing_2006.php
I'm quite sure that muffler fits my bike too.

I guess I could put in a disclaimer though, I havent seen any proof that my friends bike is a 2006.
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February 27th, 2012, 03:22 AM   #50
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Re: FMF Ti Powercore in Blue Anodized installed on FE570

I just recently purchased a 2011 FE 570S (and I'm a new member here too) After scouring through some online parts fiches, I decided to go ahead and give purchasing a KTM specific exhaust a shot. I went with the newest FMF Factory 4.1 RCT Blue Anodized Titanium (because stainless was back ordered) slip on FMF part #045403. I am happy to report that the slip on fit without any issues--no grinding, no extra spacers, just slip right on.

Two things to note. It appears that the the midpipe on the KTM's may be ~0.5-1 cm longer (or the mounting points are this distance further forward on the KTM) as the slip on will not butt up against the midpipe the same as the stock one. I do not notice any leaks at the junction, but I plan on adding some Ultra Copper RTV silicone just to be safe. The second thing I feel should be noted is the sound output The exhaust did come with a spark arrestor/94 dB insert which I have not had the opportunity of installing. Hopefully this will quiet it down a bit. I hope this helps anyone on the fence about getting a blue slip on.

Sean
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