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Great performance and easy to install. I used the GYTR power core muffler slip-on muffler. sounds mean. Great power add on. Only wish it stayed silver after start up.
FMF
FMF Powerbomb Header - Stainless Steel - Motocross
FMF Powerbomb Header - Stainless Steel - Motocross
Description
Item #FMF000E
14 Reviews
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All Reviews
1 year 10 months ago
Iron Range , Chisholm, mn
Power bomb
2 years 6 months ago
Over 4 years ago
Over 5 years ago
St. Louis, MO, USA
Awesome
fit very good and i could tell a difference in the power
Over 5 years ago
Camden OH
Fmf is good stuff
You can't go wrong with fmf!
Over 6 years ago
Camden SC
FMF
This header works and fits great with a Powercore 4 Muffler. I recently installed it on my 2009 wr250f and it is so awesome. It really opens the bike up alot.
Over 7 years ago
Harrisburg, Pa
Great Mid-Top End Power!
The FMF Powerbomb MX header really woke up my YZ250F. The top end pulls very hard! I was skeptical if this mod would produce $170 worth of results. Out if the box the piece looks great and installation is very simple. When first used, the header turns a blueish purple, it's actually pretty neat looking. I could tell after the first fifteen minutes on the bike that I had made the right choice.
Only Con: Does not come with a heat shield, burns pants easily and quickly!
Over 7 years ago
wisconsin
Great fit
I bought this with the FMF 4.1 exhaust. It is light weight, durable and was easy to install. There is no heat guard on this so make sure to wear long pants or riding pants to keep your leg from getting burned.
Over 8 years ago
lime springs, IA
Noticable power increase
was very pleased with the product. key word "was". after a year of use the header broke in half. dont think they are supposed to do that. wouldnt mind if they sent me a new one free of charge.
Over 9 years ago
missoula mt
Pretty sweet
once hot the header turns a golden brown which personally i think looks good. the power increase i could feel mid to top end. it feels like it will rev faster on the top. if anything it quieted it down from stock. installed on a 06 yz250f
11 Questions
dunnerlover
Q: I have an 08 YFZ450 with a 4.1 Power Core. with this powerbomb header will i have to jet my carb ?
2 years 8 months ago
MotoSportExpert
Expert
MotoSport Staff
2 years 8 months ago
A: It would really depend on your location (altitude/temperature) and how your bike is running with the current jetting. Jetting can be very tricky, there isn't one setting that will work everywhere with every bike. I would recommend taking your bike to a local motorcycle dealership’s service department to have your bike properly jetted.
Chaz
Q: Do you have one to fit a yzf250 2001 ?
Over 3 years ago
MotoSportExpert
Expert
MotoSport Staff
Over 3 years ago
A: Yes Just be sure to correctly select the Year/Make/Model of your bike before ordering so we can be sure to send you the correct header for your bike. Also, feel free to give us a call at 888-676-8853 and we would be happy to help you out with your order.
BigD808
Q: What about a heat shield? Doesn't the header burn your leg and boot.
Over 8 years ago
denaliman
Top 1000 Contributor
Over 8 years ago
A: no not at all my bike came with a heat shield from the factory and i cant even feel the heat
Drewski
MotoSport Staff
Over 8 years ago
A: FMF doesn't offer a heat shield for the powerbomb. Burning your boot is pretty common though for any head pipe that doesn't have a heat shield. You can use exhaust tape to help out, but it doesn't really look that great.
SharkofPool
Q: Does this pipe require a mid pipe, does it bolt up to the muffler, which I have a FMF Powercore 4
Over 9 years ago
james718
MotoSport Staff
Expert
Over 9 years ago
A: This will mount up to the powercore 4 slipon exhaust. The mid pipe that came with the slipon will be all you need.
denaliman
Top 1000 Contributor
Over 9 years ago
A: depends what bike i have a 2003 yamaha wr450 and mine fit right into the muffler
wright37
Q: Does the power bomb header work with any exhaust?
Over 9 years ago
james718
MotoSport Staff
Expert
Over 9 years ago
A: FMF will not guarantee fitment of their power bomb header on anything but FMF Exhaust systems.
alpha
Q: ?
Over 9 years ago
this is the only powerbomb header besides the titanium header that i can get for a 2009 wr250f?
Drewski
MotoSport Staff
Over 9 years ago
A: Yep, FMF only makes this header in Titanium or Stainless.
Chlo
Q: Will pre-engine changes be needed once I go from a stock header to a powerbomb header?
Over 9 years ago
james718
MotoSport Staff
Expert
Over 9 years ago
A: If you are mounting this on a stock exhaust their will be no guarantee of correct fitment. FMF will only guarantee fitment only on their exhaust systems.
And to answer your question there's nothing you'll need to do to the engine before installation. Please take serious note to my first comment about fitting this head pipe to anything other than FMF exhaust systems.
And to answer your question there's nothing you'll need to do to the engine before installation. Please take serious note to my first comment about fitting this head pipe to anything other than FMF exhaust systems.
skippadydoda
Q: What is the difference between the Motocross and Supercross?
Over 9 years ago
what is the difference between the motocross version of this header and the supercross version?
JesseC
MotoSport Staff
Over 9 years ago
A: The SX version gives you a little more low to mid power and the MX version is better for mid to top end power.
RT495
Q: Will it fit the fmf powercore IV exhaust?
Over 9 years ago
james718
Expert
MotoSport Staff
Over 9 years ago
A: FMF does claim their exhaust components are compatible with most of their line. If your Powercore IV is a slip-on and worked with your stock header, than i don't see any reason the FMF powerbomb wouldn't mount up. They did engineer it around the stock header for fitment.
tazz
Q: How much more power will it give you if you have a FMF Q4?
Over 10 years ago
james718
MotoSport Staff
Expert
Over 10 years ago
A: You won't really notice much power gain as performance gain. FMF designed the powerbomb header to add more volume to the exhaust system without actually making it longer. That will give the bike more grunt or better low end response. the performance will be gradual through the mid range.
Fitment
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# Part Numbers
| Product Variant | Manufacturer Part # |
|---|---|
| FMF Powerbomb Header - Stainless Steel - Motocross | 041034 |
| FMF Powerbomb Header - Stainless Steel - Motocross | 040073 |
| FMF Powerbomb Header - Stainless Steel - Motocross | 044033 |
California Proposition 65
WARNING: This product contains chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm. Wash hands after handling. For more information, go to www.P65Warnings.ca.gov.
