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2008 Yamaha YZ250

FMF Fatty Pipe & Powercore 2 Silencer Combo

Retail: $359.99
$324.99
You Save: $35.00 (10%)

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  • FMF Fatty Pipe
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  • FMF Powercore II Shorty
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  • FMF Powercore II Silencer
    Available - Ships in 3-4 Business Days.
FITS: 2008 Yamaha YZ250 change
 
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FMF Fatty Pipe & Powercore 2 Silencer Combo - Main
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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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(20)
4.6 out of 5 stars
5 star   17
4 star   1
3 star 0
2 star   1
1 star   1
Write a Review
“ Great product. ”
1800VTX
“ I've been told for years now how a pipe and silencer will REALLY increase the performance of my YZ. ”
“ I bought this as a 1st aftermarket performance part for my kx125. ”
cbrbikerboy4lyf Location: Phoenix, AZ
1-10 of 20
Overall
The pipe
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.
Overall
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.
Overall
Quick!!!!!!!!!!!!!
Great product. Good deal. Really woke up my yz250 2stroke. It was shipped and on my bike in about a week.
Overall
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.
Overall
Verified Purchaser
Location: Jackson, MI
Sweet product
This fit my '05 KX85 like a glove... sounds and power improvements were GREAT
Overall
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.
Overall
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
Overall
Good Pipe Combo
Great pipe for the price. Put it on my '03 Yz85 and could tell some difference. It sounded really aggressive and mid-range power is insane, but looking back now I wish I had gotten the SST pipe with the Turbine Core 2 silencer. But this pipe does good if your on a budget.
Overall
Top 100 Contributor
Location: richmond, va
Changed to this set up from a pro circuit pipe and silencer on my 01 cr250. Has a lot more hit on the middle. Can't tell a difference on the top end but this is what my bike needed. Would reckoned to anyone looking for more punch coming out of tight corners.
Overall
Durability
Ease of Installation
Performance
Power
Style
Top 500 Contributor
Location: Athens Tn.
My latest FMF purchase was , as usual... Outstanding.
1-10 of 20
Total Questions (27)
Questions with answers:
  25
Questions without answers:
  2
Have a question?
“ What's the difference between the silencer and the shorty?... ”
Dave
“ 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... ”
Dave
“ Ive got a 2002 kx 125 which of the two silencers would be better, and would i have to re-jet the carb... ”
kxrider421 Location: michigan
1-10 of 27
Dave 11 days ago
What's the difference between the silencer and the shorty?
Answer this Question
Dave 11 days 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.?
Answer this Question
nick 2 months 1 day ago Location: NJ
Does it come with all the hardware like bolts and the spring?
MotoSport Staff
1 month 29 days ago Location: Portland, OR, USA
These typically do not come with the hardware to install. You can use your stock hardware.
1 month 12 days ago
no it dose not. but the hardware you have should be just fine.
Answer this Question
Gags 2 months 11 days 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
2 months 11 days 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.
Answer this Question
rm125racer151 2 years 11 months 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
2 years 11 months 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.
Answer this Question
nhnn Over 3 years ago Location: ohio
Which pipe?
Hey my son has a 2002 honda cr80 and he wants a pipe ana a silencer we have a tigtht track and which would be the best sst or fatty
Top 1000 Contributor
Over 3 years ago Location: Maryland
the sst have a stronger powerband witch will help him is a short track .
Top 1000 Contributor
Over 3 years ago Location: Billings, MT
Tough call. In my opinion: The Fatty. I've run both pipes on a 2006 CR250r (much different I know) and found that there is noticeable design-power character difference. The SST is a screamer and the Fatty is just that in the mid range. I dig both pipes, but for tight track racing I would lean to the fatty. Keep in mind different silencer combos on 2-strokes make a huge difference.
Answer this Question
Dodem Over 3 years ago
If i bought the SST header and the shorty end pipe, would it spread out the powerband?
MotoSport Staff Expert
Over 3 years ago Location: USA
typically the SST pipe must require the purchase of the SST silencer. But without know what kind of bike you plan to put this on, i couldn't tell if that would be the case. 90% of the applications out there require the SST silencer with matching pipe.
Top 1000 Contributor
Over 3 years ago Location: Billings, MT
The main direction the power is spread is to the bottom end. The shorty gave my CR250r FMF-SST some snap of the bottom which I like for tight tracks or dense woods riding. Too bad for the latter I run a Turbine Core2 on public land! FMF silencers are cool fairly cheap bolt-on performance mods.
Answer this Question
enduro0891 Over 3 years ago
I ride a kdx 220r i do alot of trail riding and is the fatty pipe the pipe for me or should i look further to geting the gnarly pipe(woods) instead?
MotoSport Staff
Over 3 years ago Location: P+RTLAND
For trails i would run the gnarly with the turbine core 2
Top 1000 Contributor
Over 3 years ago
I run a FMF SST and Power Core2 on a '06 CR250r to rail public land and mountains in Montana. Pretty happy with it but I knew when buying my pipe that I had to protect the SST. Same would hold true for the Fatty. Of course, the Gnarly is the true off-road pipe of choice. On a KDX 220r I would get the gnarly, guards, silencer and be happy being indestructable. Silencers are good performance (and sometimes legal-necessary) enhancers.
Answer this Question
kxrider421 Over 3 years ago Location: michigan
Ive got a 2002 kx 125 which of the two silencers would be better, and would i have to re-jet the carbs?
MotoSport Staff Expert
Over 3 years ago Location: USA
Jetting specs can be found on FMF jetting spec page. The Powercore2 silencer will give you all around increased performance enhancement. The Shorty Silencer will help maximize bottom and mid power gains.
Answer this Question
Krutch Over 3 years ago
Are the pipes pre-packed?
will i need to pack my shorty when i get it or is it already prepacked by fmf? thanks
Over 3 years ago
already prepacked
Top 1000 Contributor
Over 3 years ago Location: MT
FMF packs all of their silencers. Your brand-new silencer is ready to be installed the moment you get it.
Answer this Question
1-10 of 27

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