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2006 KTM 250XCW

FMF Fatty Pipe & Powercore 2 Silencer Combo

Retail: $359.99
You Save: $35.00 (10%)
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FITS: 2006 KTM 250XCW change
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FMF Fatty Pipe - 2-Stroke - 2006 KTM 250XCW FMF Fatty Pipe & Powercore 2 Silencer Combo
You Save: $30.00
FMF Fatty Pipe & Powercore 2 Silencer Combo - Main

Product Description

FMF Fatty Pipe:

With well over 35 years of racing experience behind it, the Fatty pipe delivers race-proven performance. The Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev. No matter what type of riding you do, the Fatty has the benefits you're looking for.

  • More tractable power, improved throttle control.
  • Provides power gains throughout entire power band.
  • Carbon steel with a nickel-plated finish for maximum durability.
  • FMF Racing's Tru-Flo stamping process ensures a perfect fit and optimum performance.
  • Can be used with FMF or stock silencer.
  • FMF's most popular 2-stroke pipe .

Note: Pipe may include factory indentations for proper installation clearance.

FMF Powercore 2 Silencer:

  • FMF adds the Powercore 2 silencer to its arsenal of 2-stroke exhaust options because FMF is brand that knows how to maximize power for any terrain.
  • The sleeve of the Powercore 2 silencer is constructed from extruded aluminum to provide a lightweight design. FMF incorporated a tuned perforated core for exceptional performance.
  • FMF made sure the Powercore 2 silencer was also durable by using stainless steel on the performance flow end cap and the stinger.
  • FMF makes it easy to perform maintenance on the Powercore 2 silencer by using removable bolts to break it down.
  • Customer Reviews
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4.6 out of 5 stars
5 star   21
4 star   1
3 star   1
2 star   1
1 star   1
1-10 of 25
Verified Purchaser
Location: Cary, NC, USA
Adds good power with a longer lasting pipe

FMF always makes the best quality pipes in my opinion. I got this pipe a couple of years back for a yz250 and it runs great. With much stronger metal than the stock pipe. Always have bought from motosport, always will.

Verified Purchaser
Location: Avoca, PA, USA

this is an amazing pipe and silencer instant power incease...and my power in the lower rpm range was the most noticeable....deff..will by again and again

Decent buy

it looks amazing on the bike havent got to use it yet, but was very very hard to install, i used WD40 still was super hard to install.

LOTS of rust inside the pipe.

I was very excited to get my pipe and silencer. But when I looked inside my pipe to see how it was and the conditions, I found LOTS of rust... It may not effect the bike, but it's something I would not like to see.

The pipe
Location: Cataula, GA
Pucker Factor!

Most aftermarket exhausts I upgrade from stock doesn’t give you a noticeable feel of increased performance. However, the FMF pipe and silencer combo I chose took approx. 5 min to install. I then test rode my 2013 Yamaha YZ250 for a few min. WOW, what a difference! The stock exhaust raised the front wheel in first and second land sometimes in third. The FMF raised in all gears and increase the pucker factor. Oh yeah, lighter than stock.


Great product. Good deal. Really woke up my yz250 2stroke. It was shipped and on my bike in about a week.

Location: Virginia Beach, VA
Fantastic quality, price and performance

I bought the Fatty/Shorty combo for my '05 YZ125. It fit perfectly, looks incredible and works perfectly. There is a difference in performance and the nickle finish is easy to maintain.

Verified Purchaser
Location: Jackson, MI
Sweet product

This fit my '05 KX85 like a glove... sounds and power improvements were GREAT

1 Star

I've been told for years now how a pipe and silencer will REALLY increase the performance of my YZ. I've been holding off for quite a few years but decided that the wife and boys could buy the pipe and silencer for me for Father's Day. I found out (after burning $334) that the performance of my YZ can be enhanced with judicious application of fuel input via my right wrist. The combo did shorten the gap from 0 to the power band a little but not worth burning up $334. If I had to do it again, I'd forego the purchase and twist the throttle a little harder. Definitely not worth the money in my opinion.

Location: Phoenix, AZ
Good pipe for my 04 KX125

I bought this as a 1st aftermarket performance part for my kx125. After installing and re-jetting, my bike ran absolutely great. I'd recommend FMF pipes 2 every MX rider

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1-10 of 32
Glenn 1 month 18 days ago Location: Huntington Beach, CA, USA
Is there any difference between the 2001 FMF Fatty pipe and the 2005 pipe?
MotoSport Staff Expert
1 month 17 days ago Location: Portland, OR, USA
Yes, For the Kawasaki KX250 the FMF Fatty Pipes are different for 2001 and 2005. I would not be able to say if they are interchangeable, from what I can tell they are not.
kshshsn 1 month 26 days ago
Does this come with new o rings and mounting springs?
Expert MotoSport Staff
1 month 25 days ago Location: Portland, OR, USA
The Pipe & Silencer does not come with replacement O-Rings or Springs but we do also offer the FMF Pipe O-Ring and Spring Kit that is sold separately.
teamgreen125 3 months 23 days ago Location: new zealand
I have a 2007 kx125 but there is no option to select it so will the 2005 kx125 system fit on it?
MotoSport Staff Expert
3 months 17 days ago Location: Portland, OR, USA
We more than likely don't list the 2007 Kawasaki KX125 because they were not sold in the U.S. in 2007. Kawasaki didn't make any significant changes to the KX125 exhaust from 2002 on up... so the 2005 pipe would work on your 2007 KX125
ctf103 Over 7 months ago
Does this come with both silencers, shorty and the power core 2? If so why does it ask to pick a silencer?
MotoSport Staff
Over 7 months ago Location: Portland, OR, USA
This combo will only include the one silencer, the picture shows both for reference. You must select either the Powercore 2 or the Powercore 2 Shorty.
Rmmadness Over 8 months ago
Will the fatty and powercore 2 be louder than stock?
I have a 1998 rm125
MotoSport Staff
Over 8 months ago Location: Portland, OR, USA
It shouldn't be much louder if at all louder than stock. This would depend if the stock silencer is packed correctly, as the stock silencer can be incredibly loud if it is not. A lot of times if the stock silencer has not been serviced recently, this will be quieter.
Dave Over 11 months ago
What's the difference between the silencer and the shorty?
MotoSport Staff
Over 11 months ago Location: Portland, OR, USA
The Shorty Silencer will provide a better "hit" in the low-mid powerband. The standard Powercore 2 will let the bike rev out farther and pull better in the higher RPM range.
Dave Over 11 months ago
Will I have to re jet for a 2002 yz 250? It has a fatty pipe on it but its messed up so I'm replacing it but it has a stock silencer.?
MotoSport Staff
Over 11 months ago Location: Portland, OR, USA
If it is already jetted correctly you shouldn't have to make many changes if any at all. Maybe a tweak to the air screw but it should not change much at all.
MotoSport Staff
Over 11 months ago Location: Portland, OR, USA
If it is already jetted correctly you shouldn't have to make many changes if any at all. Maybe a tweak to the air screw but it should not change much at all. If the jetting is not correct i would recommend a jet kit and that would get you dialed in for sure with their jetting guide.
1 year ago Location: NJ
Does it come with all the hardware like bolts and the spring?
MotoSport Staff
1 year ago Location: Portland, OR, USA
These typically do not come with the hardware to install. You can use your stock hardware.
1 year ago
no it dose not. but the hardware you have should be just fine.
Gags 1 year 1 month ago Location: USA
One frame bolt does not line up on my 2003 yz125?
The frame bolt closest to the header does not line up. In fact it is easily an inch off and I noticed that the width of the curve of the pipe is 1 inch wider than stock. The frame bolt closest to the silencer lines up fine. Also, the kick start lever now loosely rests against the pipe - which could be an annoying vibrating noise when riding. Suggestions? Thank you.
MotoSport Staff
1 year 1 month ago Location: Portland, OR, USA
Give us a call so we can better assist you. There are a few questions we will have for you, so have the bike's VIN number ready. 1-888-676-8853.
rm125racer151 Over 3 years ago Location: Clarkston, WA
Power core 2 on a 2001 rm 125?
when I go to choose which silencer I want to buy for my 2001 rm 125, why wont it let me choose the power core 2? it will only let me choose the shorty
MotoSport Staff Expert
Over 3 years ago Location: Motosport
That exhaust combo is not available online, if you give us a call 888-676-8853 we can put that in the FMF exhaust combo.
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