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Exhausts Exhausts - Headers, Mid Pipes, Mufflers


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September 5th, 2015, 04:48 PM   #31
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Joined: Aug 2011
From: Northern Nevada

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I Ride: Husaberg FE570S and Buell S3
In have a 2011 FE570S, and the factory exhaust can on my bike forced the exhaust gasses through two 180 degree bends. I successively tried an increasingly aggressive removal of material from the baffle, and no matter what I did the can still choked the engine. I was very methodical, and tried to preserve the spark arrestor characteristics. No joy. Eventually I concluded that in order to remove enough restriction from the exhaust can to make the engine run like the engineers intended, I'd have to either remove the baffle entirely or remove so much material from it that it would not retain its intended spark arrestor characteristics. So I bought an FMF 4.1 Factory slip-on, and it's run like a dream ever since.
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October 2nd, 2019, 12:44 PM   #32
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I Ride: Husaberg FS 570 so far unmolested
Can ANYONE tell me a part# for the FMF 4.1 that will fit my 2011 FS 570? I ordered one that says it fits and it was no where close. ANY help appretiated, I love my Husa but parts are dificult to find.
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October 2nd, 2019, 05:35 PM   #33
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I Ride: FE570,FS570,450/520XCF SM, SV1000, NC700
I've read that you can run any KTM 530 slip on on the 570 but haven't tried it myself
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October 3rd, 2019, 05:39 AM   #34
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I Ride: Husaberg FS 570 so far unmolested
if anyone has bought one and has a box with a part# laying around that would be AMAZING. Its time to gut and repack mine so might as well attempt to find a slip on again
Also, who has tried an ECU or ECU piggy back on these, noticable or not worth the $$$$ ?
My reading has led me to a 50/50 mix but they have all been with different scenarios. The vortex seems the most flexible but holy $700 hole in the account batman.
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October 3rd, 2019, 06:15 AM   #35
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I Ride: FE 570S, Husky TE310, cannnondale 440 st lgl, Beta trials
If you can get someone to flash the Euro map it makes a huge difference. It sounds like that is tough now though.
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October 3rd, 2019, 07:08 AM   #36
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I Ride: FE570,FS570,450/520XCF SM, SV1000, NC700
my understanding is that flashing isn't possible anymore unless it was flashed prior to the change

I have a JD tuner on mine and it works great
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October 3rd, 2019, 11:16 AM   #37
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I Ride: Husaberg FS 570 so far unmolested
Originally Posted by funmachines View Post
If you can get someone to flash the Euro map it makes a huge difference. It sounds like that is tough now though.
this would definately be my choice
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