Customer Reviews for FMF Gold Series Pipe, "Fatty Moto"

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fmf gold series fatty header

mike in MA – Machine this part was bought for: 2005 YAMAHA YZ125

Comments On Jun 11, 2013:this pipe is the best makes the bike more powerful and louder

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amazing

Chris in WA – Machine this part was bought for: 1997 HONDA CR125R

Comments On Jun 11, 2013:looks so much better than my stock pipe. performance and sound all 10 times better. 6 stars!

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pipe

Jason in ID

Comments On Jun 03, 2013:I love the fatty

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fmf gold series fatty moto

Alan in PA – Machine this part was bought for: 2000 YAMAHA YZ250

Comments On Jun 01, 2013:great, makes more power then stock real good product

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Love it!

Jonathon in MI

Comments On May 22, 2013:Great for the KTM 300 EXC. I prefer it over the Gnarly.

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Awesome

Carlton in SC – Machine this part was bought for: 2006 YAMAHA YZ125

Comments On May 13, 2013:Great pipe installed it with a power core 2 silencrr highly noticeable power gains through low to mid rpms a good bit on top and a little mor over rev bike also has jd jet kit vforce 3 reeds and awalked wiseco prolite piston

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GREAT!!

Trent in KS – Machine this part was bought for: 2002 SUZUKI RM125

Comments On May 04, 2013:I bought this pipe for my rm125 works great, when i started the bike up and rode it i could tell a difference in the power immeadiatly. Works great i'd recommend it to anyone

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Awesome

Chad in IN – Machine this part was bought for: 1993 HONDA CR125R

Comments On Apr 24, 2013:I love this pipe especially for Honda. It absoltely livens it up and brings great snappy power. Would recommend it for anyone!

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Quite Simply the BEST pipe!

DONNA in FL

Comments On Apr 01, 2013:This is the best pipe for my Honda CR250R. The sound is amazing and it looks good too! I have no gripes with it at all so will continue buying this make and model indefinately.....

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Nice upgrade

Jamie in MO

Comments On Mar 23, 2013:Low end power gain is very noticable, great sound, very easy install. FMF all the way!

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awesome.

chase in ME – Machine this part was bought for: 2005 YAMAHA YZ125

Comments On Mar 02, 2013:this is an awesome pipe. doesnt require jetting on my yz125, and gives it a little more bottom end. i notice the powerband kick in a little sooner than with the stock pipe. really helps in corners.

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Looks and sounds great !

ROBERT in FL – Machine this part was bought for: 2005 YAMAHA YZ125

Comments On Feb 09, 2013:Great increase in power and responsiveness! Looks great too, so much better than the stock black pipe. In my opinion, this is the best 2-stroke pipe made.

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good product, quality could be better

KENNETH in NC – Machine this part was bought for: 2006 YAMAHA YZ250

Comments On Jan 27, 2013:My bike had a factory fatty installed when I bought it from the previous owner. I was very happy with the performance of the pipe . The drawbacks were the raw metal finish and the thinner gauge metal that got damaged easily. This new pipe fit very well, but I noticed some rust starting at the welds of the front mount. I will clean it up and keep wd40 applied to this area.I've noticed other reviewers having similar complaints.I think FMF should either revise their plating process or use another high temp coating instead.

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FMF Quality and performance.

Michael in MO – Machine this part was bought for: 2000 HONDA CR250R

Comments On Jan 15, 2013:I replaced a rather well cratered FMF SST that was on the bike when I first purchased the bike, so my performance comparison is somewhat incomplete. With that being said...I am quite happy with the "Fatty". It provides a nominal but decent power enhancement over quite a broad range, wich complements the power of the stock motor nicely. It also is a great looking pipe and has held up well to whatever abuse has been thrown it's way.

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What Power!

DAVID in VA – Machine this part was bought for: 2001 HONDA CR250R

Comments On Jan 02, 2013:This exhaust really woke up my motor power everywhere and mid power to die for. I bought fmfs jet kit to go with it and o man its spot on and pulls the most out of the engine and exhaust!!!

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Awesome Power gains and looks!!!

RAYMOND in GU – Machine this part was bought for: 2006 YAMAHA BLASTER 200

Comments On Dec 14, 2012:Awesome Power Gains and sleek looks!!! Very affordable and well worth the price!!!

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awsome

John in NV

Comments On Oct 17, 2012:really wakes up a KX/RM 65 combined with v-force reeds. If you get one for this bike don't be alarmed at the "dent" in the front of the expansion camber; it's there on purpose to clear the fender.

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Good pipe, but it looks used

Cody in ND

Comments On May 24, 2012:When i recieved this pipe it has some rust on it, and looks like it was installed on a bike prior to me recieving it, not very happy about it.

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Perfect for the KX 100

Charles in ON

Comments On Apr 01, 2012:I installed this while it was -10, no problems installing it , fit perfectly on my kx 100. My bike got more peppy with my fmf powercore2 pipe.
Definitely recommend it!!!

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Great product, but still very pricey

BRENT in TX

Comments On Jan 18, 2012:You'd think the price of these would go down since two stroke production has almost diminished...but this pipe was a good addition to an 01 KX125.

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2 of 2 people found this review helpful.

04 KX250

Larry in TX

Comments On Nov 18, 2011:Bolted right up, power is much smoother, although it still retains a nice hit up top.

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1 of 1 people found this review helpful.

Sexy pipe

Robert in IN

Comments On Jul 22, 2011:Great looks, great fit, easy install. Comes with new o-rings. Awesome

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2008 KX85

Ric in ID

Comments On Jun 14, 2011:Love the way it fit with no problem. Great sound and the power gain was great

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not as good as pepole think

Joannie in MA

Comments On May 11, 2011: i got it for my cr250 and there was a little diffrece , but i put back on my procircut works pipe and some much more power diffrence in bottom and the top and through the whole power band

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so smooth!!

richard in RI

Comments On May 12, 2011:great power!! all i gotta say is fmf

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Good product

brian in OH

Comments On Apr 22, 2011:Fmf is the only pipe for my bike

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nice

kyle in UT

Comments On Apr 09, 2011:i like it gives the bike a really good hit not for off road i smashed mine within a couple hours

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Fatty Moto

Corey in MA

Comments On Mar 28, 2011:This pipe was a great addition to my rm 125. Woke the bike right up! will be using FMF for a long time

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sweet sound and looks new power range

samuel in FL

Comments On Mar 08, 2011:kx 100 more low end and more punch

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Love it!

Zachary in TN

Comments On Mar 04, 2011:This product improved my Yamaha blasters speed and power,its EXCELLENT!

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For wide enduros

Elijah in SA

Comments On Feb 20, 2011:Bike needs jetting redone after this pipe goes on. It spreads power out and you lose that burst of power that comes with original pipe. Good for long, wide high speed enduro. Used on hill climbs and you definitely need to be skilled with mid climb gearshifts. I am not and have already dropped bike mid climb denting pipe. Looks very good.

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Best Pipe I Will Ever Buy

KYLE in PA

Comments On Jan 28, 2011:Got Fatty Moto and Power Core 2 for christmas. Love this pipe tons of bottom end front end comes up through 4th gear. great sound also.

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2007 yz 250

SANTANA in NV

Comments On Jan 16, 2011:it opened this bike up and feel alive!

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FMF Gold Series Pipe, "Fatty Moto"

JOHN in AZ

Comments On Dec 09, 2010:Very durable and good looking pipe. Performs very well on the KTM300XC-W in open desert conditions. Great mid to top with no loss on bottom compared to the 2010 stock pipe.

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Less than perfect

Mimi in CA

Comments On Sep 30, 2010:The pipe was easy to install on my 06 KX250, but I was disappointed to find that the kickstarter contacted the exhaust when I swung it back into the resting position. I have installed FMF pipes on a quite a few other bikes over the years and they have always fit very nicely without any parts interfering with the exhaust, so maybe this one was a Monday morning pipe.

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Great pipe good price

nate in IN

Comments On Jul 21, 2010:good product decent price fits perfect and adds power and sounds great

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Top Notch

Thomas in NY

Comments On May 27, 2010:Got this pipe for my 2003 Kx 125 and it's pretty dang good. The bike definitely feels allot snappier and throttle response feels quicker. Noticed a gain in hp/torque at low and mid gears. Pipe looks freaking awesome and sounds real nice too.

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EXCELLENT!

Travis in CA

Comments On Apr 28, 2010:my bike already ran really well and this just made it even better. i put this pipe on my 02 yz250 and it is great. its really noticeable once u get into lower mid powerband then it keeps kickin till u have to shift. just all around great power gain. good product!

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04 yz 250

Reece in WA

Comments On Apr 18, 2010:bolted right on fits grate, but i did have to adjust the kick start leaver. awesome power gain through the whole power range. awesome pipe for the money!!

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fmf

RANDALL in WV

Comments On Oct 18, 2009:FMF makes the best" enough said".

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4 of 4 people found this review helpful.

HARD HITTING!!! TONS OF POWER GAIN!!!

ADAM in NY

Comments On Aug 25, 2009:i recently installed a fmf fatty pipe on my 2005 rm 250 and this thing kicks like a mule when it transitions from mid to top end....i can hit wheelies in 5th gear at speed with no clutch work. feels exactly like a hopped up 4 stroke racebike but this is faster.....i have all good to say about this pipe! just make sure to rejet for optimum power gain. oh and yeah i forgot it adds tons of bottom end power.....along with a bunch on the top

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best pipe I've ever used

Austin in MI

Comments On Apr 01, 2009:I absolutely love this pipe. I put it on my KX85 and that thing screams. It sounds great, runs great and is just a great bike and pipe.

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FMF Fatty Helped

Dale in CO

Comments On Mar 11, 2009:This pipe brought my son's older (98) YZ125 back to life. A lot better low end and good midrange. Top end-? Don't know about that Sceer'd area! :]

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2 of 2 people found this review helpful.

Nice pipe

JON in IN

Comments On Mar 04, 2009:installed on my 05rm250. Installed in minutes, fit perfect. I didn't even have to rejet my carb. Very noticable power increase down low. Gave that low end tractor feeling my 450 has. I used the pipe with the shorty exhaust and the combo works great. You would have to ride it to understand that the low end grunt is very 4 stroke like but yet still has that nasty two stroke hit when the exhaust vavle opens!! Another great product from FMF!!!!!!!!!

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Awesome!

Alex in WA

Comments On Feb 26, 2009:Great all around pipe. 5 STARS!

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FMF Quality and Performance

JEREMY in PA

Comments On Feb 19, 2009:You can't beat the price for what you are getting. Do yourself a favor. Wait until Rocky Mountain has a special on orders over $300.00. Purchase the full exhaust. You won't find it cheaper anywhere else.

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Huge power gains

Aaron in SD

Comments On Jan 15, 2009:The fatty is strong in the low to mid range of power helps a little bit on top. It is definitely good on motocross tracks, helps powering out of the corners and getting up to speed faster. I put it on my 2009 kx100 along with the power core 2 silencer that combo is the best. I recommend to get the fatty and power core 2, you will not be dissapointed with the huge power gains and speed increase low to mid range power. by far the best one on the market highly recommended!!!

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great pipe

kody in OH

Comments On Jan 03, 2009:Made a difference in power and an amazing difference in sound

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Travis in TN

Comments On Nov 28, 2008:My bike was a whole different kind of beast when I put this on, repack your muffler and add an ngk spark plug to it and it will make you happy.

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Great Pipe

Hampton in NC

Comments On Dec 02, 2008:This is a replacement for the existing FMF pipe that was on my 99 YZ 250, what a great pipe. Killer looks as well as performance, one word, torque, throughout the power band. I ride trails as well as track, you can imagine the abuse these things handle.Buy it!~!!

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very nice

oscar in AK

Comments On Oct 18, 2008:I bought this along with the power core 2 for my girlfriends blaster and the machine REALLY WOKE UP. I mean the quad got more power and more zippy along with the other up-grades that were along with it. Thanks RM for the price and delivery was on time too.

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great product

Anthony in AZ

Comments On Aug 26, 2008:nice power increase!

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2 of 2 people found this review helpful.

FMF Gold Series pipe, "FATTY MOTO"

JONATHAN in UT

Comments On Jun 09, 2008:I could not ask for a better pipe for my 2004 Honda CR250R. This pipe hits HARD and pulls FOREVER! It is easy to install, and even comes with jetting suggestions. It is perfect for the track, the trails, and the hills. If you're looking for punch-in-the-gut power, this is the benchmark pipe. There is none better!
Additional Comments On Jun 09, 2008:I also installed this on a 2000 Honda CR125R, which is known for its lack-luster bottom end. Between a Renthal 53 tooth rear sprocket and this pipe, the bike is a SCREAMER!

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Great pipe

Brian in CA

Comments On May 03, 2008:Running on my 2000 yz250 with turbine core sparky/silencer EXCELLENT power bottom to top previously ran a power core silencer and preferred the power band presented by the power core but the turbine is still a solid exhaust and is forrestry approved.

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SO COOL

Michelle in UT

Comments On Apr 18, 2008:this is so cool it has a great power band on my kawasaki kx65. I got it for christmas and so i just got to use it 4/18/08 and it is so cool. it is so much easier to wheelie and burnout. I love it and you will to.

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SWEEEEET!

Blake in GA

Comments On Apr 07, 2008:I used to be a Pro Circuit guy but this pipe changed it all. Lots of power on top and bottom end. I use it w/ the Turbine Core 2 on my Rm125 and i love it.

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FMF Pipe. YZ 125

PATRICK in OH

Comments On Mar 15, 2008:Its a great pipe. gives a lot better top and bottom end in the woods where and when i need it..

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3 of 3 people found this review helpful.

Wow

TR in OR

Comments On Feb 16, 2008:Fantastic power brought out in my son's CR250R, very much worth the cost.

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Great pipe

ANDREW in WA

Comments On Feb 10, 2008:Had this pipe along with a Powercore 2 silencer on my '01 CR 125 and they worked great. Fitted great, doesn't take much work to keep it looking nice

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GREAT PIPE

CESAR in CA

Comments On Jan 26, 2008:THIS IS A GOOD PIPE FOR THE PRICE

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mount cracked

CHUCK in CO

Comments On Dec 11, 2007:Bought for a 2006 KTM 250XC. The mount cracked after only 4 months. Now it vibrates like an idling Harley. It does not seem as strong or durable as the stock pipe. I think I'll go back to the stock KTM pipe.

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Great Pipe, I'm buying another one!

TODD in CA

Comments On Nov 28, 2007:I bought my YZ250 used from a friend and it already had the Fatty on it. I've ridden that bike hard in the trails and the pipe gives the bike good low end torque. The only reason I'm buying another is I've dented the crap out of the old one and just want to replace it. I'll take the dents out of the old one and let it sit on the shelf for a spare.

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good pipe

Justin in CA

Comments On Nov 26, 2007:perfect fit better throttle response

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Great Pipe

DARYL in CA

Comments On Nov 14, 2007:Nice fit and finish. Gives nice sound without being too loud.

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awesome

ryker in OR

Comments On Nov 03, 2007:i put this on my blaster and not only does it sounds great but gives you that two stroke sound!

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More power

KRIS in UT

Comments On Nov 01, 2007:I definitely noticed a bottom end power gain after I put this on my bike. Plus, it looks sweet!

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good pipe

DAVID in MO

Comments On Oct 30, 2007:smoothed out power band

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Fatty Motto

Scott in OK

Comments On Oct 22, 2007:Excellent for low end power. Strong Pipe.

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Fatty Moto

Russell in OH

Comments On Oct 22, 2007:When I had my ATC250R, it had the stock setup. I bought this pipe and another FMF silencer and I fell in love with it. The sound, and the power I gained made me very happy I got this pipe.

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9 of 9 people found this review helpful.

Not the same as the stock pipe at all,

KENT in ID

Comments On Oct 22, 2007:I bought a Fatty for my 2005 KTM 300. The KTM stock pipe is very hard to beat, with awesome power through out the rpm range. The difference between the KTM stock pipe and the Fatty are either strengths or weaknesses, depending what you are looking for. The FMF fatty is heavier than the stock KTM pipe, but is also more durable. (I put deep dents in my KTM stock pipe fairly quickly . . .) The Fatty has been much more durable and has no dents after several rides. You can feel the difference in weight if you hold the stock and the Fatty side by side in your hands. As for power delivery, the FMF Fatty has more power lower in the rpm range and then tapers off at high rpm. The stock has less power down low and doesn't come on as fast, but revs higher and seems to have a strong burst of top rpm power. So if you want a tougher/heavier, middle of the rpm powerband pipe, the FMF is excellent. It is clearly a better trail bike pipe. As a trail rider, I had no disappointments switching to the Fatty from the stock pipe.

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Power Gain

JAMES in ID

Comments On Oct 23, 2007:OOOO-MAN!!! What a improvement over stock..

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love it

taylor in GA

Comments On Oct 22, 2007:love it's noticeable power and just looks good on my cr250

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Pipe

DOUGLAS in CO

Comments On Oct 22, 2007:Great fitting pipe

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