Rmz 450 2018 shortened silencer

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12/27/2017 2:03 AM

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Damn i hated the first look of the new Zook but just look at the difference with a short silencer!
I was unfortunately not on scene that day so i cant speak of how loud it was but damn it would be worth it, even the yoshimura looks awkward with such a long silencer
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12/27/2017 2:07 AM

Visually it looks 100 times better. Who knows if that much material will effect the motor.

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12/27/2017 3:31 AM

I’ve kind of gotten over my silencer on mine, only ridden it three times but it does sound mild when riding it, I plan on getting a full FMF in next couple months but they are not much or any shorter than stock lol, I saw Daniel herlien Suzuki he raced in Australia had a shorter Yoshimura on it looked awesome

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12/27/2017 3:36 AM

I shortened my fmf on my ktm. Photo

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12/27/2017 4:04 AM

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I shortened the fmf on my Volvo
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12/27/2017 4:40 AM

^^^ laughing

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12/27/2017 4:54 AM

I shortened the fmf on this for Elton John:
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much ty. How to spot a paid forum poster/artificial forum traffic producer (see list of actions/phrases below):

Copius pattern amounts of phrases like “Anyone have”..., “Anybody know?”.... and their variations.

Thoughts?
Any help is appreciated!
Thanks in advance!





12/27/2017 5:09 AM

Anyone know if you lose power with the FMF system? I must know if its true

Much ty guys

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#1
KX125

12/27/2017 5:11 AM

HenryA wrote:

Anyone know if you lose power with the FMF system? I must know if its true

Much ty guys

Just add a tooth on the sprocket, make sure you torque the bolts also

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12/28/2017 6:31 PM

Millerrr973 wrote:

I shortened my fmf on my ktm. Photo

How did you do that? Looks a lot like a 2 stroke silencer now.

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12/28/2017 6:47 PM
Edited Date/Time: 12/28/2017 6:48 PM

HenryA wrote:

Anyone know if you lose power with the FMF system? I must know if its true

Much ty guys

I see what you did there. Tamir would be proud.

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much ty. How to spot a paid forum poster/artificial forum traffic producer (see list of actions/phrases below):

Copius pattern amounts of phrases like “Anyone have”..., “Anybody know?”.... and their variations.

Thoughts?
Any help is appreciated!
Thanks in advance!





12/28/2017 6:56 PM

HenryA wrote:

Anyone know if you lose power with the FMF system? I must know if its true

Much ty guys

But will it rev?

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12/28/2017 7:22 PM

MY DAD GOTS THIS SUSZUKI WITH THE BIG TEXAS FLAG ON THE GRAFICS DO U GUYS NO IF THE SHORT SILCER MAKES MORE HORSE POWER ON THE DINO???

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suszuki rm85

12/28/2017 7:30 PM

Looks like this thread is making a run for the holy grail of spoof posters.

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much ty. How to spot a paid forum poster/artificial forum traffic producer (see list of actions/phrases below):

Copius pattern amounts of phrases like “Anyone have”..., “Anybody know?”.... and their variations.

Thoughts?
Any help is appreciated!
Thanks in advance!





12/28/2017 7:44 PM

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12/28/2017 7:58 PM

tylermx967 wrote:

MY DAD GOTS THIS SUSZUKI WITH THE BIG TEXAS FLAG ON THE GRAFICS DO U GUYS NO IF THE SHORT SILCER MAKES MORE HORSE POWER ON THE DINO???

Yes, the butt dyno will show massive gains due to the audible deception.
However, a few clicks to the suspention and that beast will be tamed!

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12/28/2017 8:27 PM

KTMs have ugly long mufflers too

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12/28/2017 8:29 PM

I like the long fart can. It acts like a rudder when you get big air and lay it flat.

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12/28/2017 8:37 PM

This thread is going to crash vital.

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12/28/2017 8:41 PM

I run the stocker: it's like having a Wheelie-Bar!
I never loop out.

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I ripped a start from Egypt and I was happy about that.

12/28/2017 9:03 PM

Scott Summers once threw a Suzuki into his truck by the silencer.

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12/28/2017 9:13 PM

kzizok wrote:

I shortened the fmf on this for Elton John:
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Holy shit that made me laugh!!!!

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Never try to argue with idiots; they will only bring you down to their level.....and being more experienced, they will beat you at their own game!

2020.5 KTM 450 SXF FE
2006 KX250

12/29/2017 6:37 AM

nascarnate326 wrote:

Visually it looks 100 times better. Who knows if that much material will effect the motor.

Two words... A TON.

Good luck making power with that!

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12/29/2017 7:14 AM

In regards to an 09' and 11' 250 sx, the shorty seemed to give the fmf gnarly a bit of overrev back and expand the amount of usable power made. I hated the super shorty with the fatty. It didn't seem to make enough power down low to have anything to "lose" in the lower rpm range.

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12/29/2017 7:17 AM

Roost187 wrote:

In regards to an 09' and 11' 250 sx, the shorty seemed to give the fmf gnarly a bit of overrev back and expand the amount of usable power made. I hated the super shorty with the fatty. It didn't seem to make enough power down low to have anything to "lose" in the lower rpm range.

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Your post is invalid due to those platinum pipes

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12/29/2017 7:33 AM

kzizok wrote:

I shortened the fmf on this for Elton John:
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I bet it's a rocket, man

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12/29/2017 3:29 PM

no, no, NO, this was supposed to be informative, its going down hill now.

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12/29/2017 3:40 PM

l cut 2" off my 2013 RMZ450 muffler and cut out both restrictors, hardly any louder, looks & feels better.

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Melbourne, Australia. Current rides: '11 RMZ450, '84 CR500, '06 DRZ400, '79 KX250 with 400 engine, '06 GSXR1000 full Yosh racebike.

12/29/2017 3:48 PM

Changing the exhaust total length effects volume and therefore resonant frequency. A change in this area can help or hurt depending on other tuning/riding conditions.

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8/30/2018 10:05 AM

Roost187 wrote:

In regards to an 09' and 11' 250 sx, the shorty seemed to give the fmf gnarly a bit of overrev back and expand the amount of usable power made. I hated the super shorty with the fatty. It didn't seem to make enough power down low to have anything to "lose" in the lower rpm range.

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Isnt that backwards for a 2 stroke?

For the 450 4 stroke what would be best for a supermoto conversion?

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My post is my opinion. If you don't agree with it, I'm OK with it.