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FMF Power Bomb Header

4.6 (14 reviews)
FMF
Regular: $199.99 - $629.99 Save up to 39%!
Sale: $179.99 - $539.99
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IMPORTANT! Shipping Restriction: Due to emission's restrictions, this item is not legal for sale in the state of California.
 



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How To Video - Dirt Bike Exhaust Installation

Product Details




   FMF PowerBomb Header


   There are two functions within the PowerBomb chamber, 1: Acts like a pre-muffler to reduce sound level a bit, 2: increase in header flow= increase in power!! When the exhaust enters this chamber, it expands and then cools causing it to contract. This expansion/contraction speeds up the exhaust through the header. There is also a scavenging effect on the exhaust port, letting fresher air and fuel charge into the cylinder for a more efficient burn- creating more power!! Need an increase in power throughout the entire power band?? Then this is the header for you! .


   FMF PowerBomb Features
  • Up to 10% horsepower gain
  • Proprietary technology to increase flow
  • Pre-muffler lowers sound output up to 1.5db.
  • Modular exhaust port flange for reliability and less vibration.

Articles

Specifications and Options

Brand FMF
CARB Notice BikeBandit.com makes no representation or warranty with respect to on-highway use in California or any other state. Consult with the manufacturer as to any such exemptions before installing any add-on or modified emissions-related parts.
Material Type Stainless Steel, Titanium, Titamium
Notes Header Only, Header w/mid-pipe, Powerbomb header/midpipe

Q & A

Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 17 questions Browse 17 questions and 22 answers
Why did you choose this?
Bike Bandit Store
To add more horsepower to my bike
William A on Aug 29, 2018
To increase power on my wife's 2008 CRF230L
Daniel W on May 30, 2018
To add more horsepower to my bike
William A on Aug 29, 2018
Fit and Price
Jason P on Aug 21, 2018
To increase power on my wife's 2008 CRF230L
Daniel W on May 30, 2018
Horse power!
David M on Dec 3, 2017
Looks good and sounds better with a better performance
brett h on Dec 5, 2016
Because it's a great price and increases bottom top and everything
Rhett N on Aug 28, 2016
Fit and Price
Jason P on Aug 21, 2018
Horse power!
David M on Dec 3, 2017
On a 2009 kx450f will this header block the oil filter access?
Levi S on Apr 29, 2019
BEST ANSWER: Levi, thank you for the question. The FMF Power Bomb Header should not block oil filter access at all. It is made to fit like the OEM header, slightly above the oil filter cap. Please let us know if there is anything else we can do for you by contacting us by email at [email protected], Live Chat or by phone toll-free at 1-888-339-3888. We are always more than happy to help.
how much extra power do you get from it
catarax on Mar 25, 2013
BEST ANSWER: Thanks for the question. Increase horsepower up to 10% with the FMF Power Bomb Header. Please let us know if there is anything else we can do for you by contacting us by email at [email protected], Live Chat or by phone at 888-339-3888. We are more than happy to help.
Will this work with a White Brothers Slip on Muffler
chuck on Jan 27, 2013
BEST ANSWER: Thanks for the question.Yes this will work with that slip-on as it is the same diameter as the stock header. Please let us know if there is anything else we can do for you by contacting us by email at [email protected], Live Chat or by phone at 888-339-3888. We are more than happy to help.
what jet size do i need to buy if i get this item?
Troll on Oct 26, 2012
BEST ANSWER: Thank you for the question. Below is a link to the FMF Jetting Center, enter the bike in the selection menu and all the applicable jetting ratios will be present:
http://www.fmfracing.com/RiderSupport/JettingCenter
What years dose this pipe fit I have a 2006 crf450r needing to replace stock header. Anoter ? Is would a 2011 stock pipe fit a 2006.
Jeff on Sep 24, 2012
BEST ANSWER: Thank you for your question. No this 2011 header pipe will only fit the 2011. The powerbomb header will fit the years 2004-2008 model, 2009-2010 model, 2011 is alone. Please let us know if there is anything else we can do for you by contacting us by email at [email protected], Live Chat or by phone toll free at 888-339-3888. We are more than happy to help
I have a DRZ 400s, 2006. I'd like to replace my header and keep my stock muffler. Will this header work?
Roy on Sep 21, 2012
BEST ANSWER: Thank you for your question. Yes the header can be mixed and matched with any slip-on desired, even the O.E.M. slip-on. Note: The increase performance will be more substantial by installing the complete FMF exhaust system. Please let us know if there is anything else we can do for you by contacting us by email at [email protected], Live Chat or by phone toll free at 888-339-3888. We are more than happy to help.
Will this Header work with a Pro Circuit T-4 Silencer?
Alex on Sep 3, 2012
BEST ANSWER: Thank you for your question. Yes the FMF powerbomb header will fit, the FMF header will even fit a stock slip on. Please let us know if there is anything else we can do for you by contacting us by email at [email protected], Live Chat or by phone toll free at 888-339-3888. We are more than happy to help.
will this work with my existing standard muffler from the honda crf 150 rb?
Peter on Jul 14, 2012
BEST ANSWER: Thanks for your question! For some machines this will work but for the most part you must use this in conjunction with the FMF muffler.
Would like to know O.D. of header for the CRF 450R or are they all a standard O.D.
Thanks for the help
E.P. outlaw kart racer on Jun 30, 2012
BEST ANSWER: Thanks for your question! This would be a standard size for those models.
what is the fmf product number for the fmf power bomb header?(3072320 this is your product number for the part)is it 042155?
null on Jun 2, 2012
BEST ANSWER: Good question! Yes those numbers do cross as a match of same part, you may use link below to view part.
http://www.bikebandit.com/search?q=042155
I have a 2006 kx450F. Will this fit the stock exhaust as a slip on?
Burdog12 on Apr 19, 2012
BEST ANSWER: Thanks for your question! For some machines this will work but for the most part you must use this in conjunction with the FMF muffler.
Will this header fit my 99 XR650L? is the FMF Q muffler a good match for the header? do I need to rejet my carb after instaling this header?
null on Jun 16, 2011
BEST ANSWER: Thank you for your question! This header will not fit your machine. We currently only offer slip ons and mufflers for your machine. If there is anything else we can assist you with just call or click!
Why is there a $72 difference and no details?

Looking at the FMF powerbomb for an rmz450
Chub on Mar 1, 2010
BEST ANSWER: Thanks for your question! Please let us know the year of your RMZ450 and we will be happy to check into this for you.
will this work w a Scorpion Slip-On Silencer for my 2002drz400s?
strungtoad on Jan 16, 2010
BEST ANSWER: Thanks for your question! Unfortunately the FMF Power Bomb Header that your looking at would not work with your scorpion slip on exhaust.
what is the outside diameter of the outlet of this header?

I am trying to find a replacement head pipe for my 05 TRX450R, I have a White Bros. aluminum pro exhaust and need to know if this head pipe will work with it. Is there an overall length measurement. I need to know how far back it will reach and the diameter of the end of the pipe.
ecvague on Jan 10, 2010
BEST ANSWER: Thanks for your question! Unfortunately the FMF Power Bomb Header that your looking at would not work with the White brothers exhaust we do apologize for the inconvenience.
Does the FMF header for a 2002 TRX400EX work in compliance with a HMF slip-on pipe?
SLIM72 on Nov 12, 2009
BEST ANSWER: Thanks for your question! Unfortunately the FMF Power Bomb Header would not work in conjunction with the HMF Slip on exhaust.

Reviews

4.6 / 5.0
14 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
10
3
0
1
0
Would you recommend
Yes (13)
No (1)
Would you recommend
Yes
FMF Power Bomb Header
Works as advertised.
June 8, 2018
Purchased
1 year ago
Would you recommend
Yes
DR-Z400sm powerbomb
I added the FMF Power Bomb header to the FMF Q4 muffler on my 2008 Suzuki DRZ400sm. The fit was absolutely perfect and the installation was a breeze. I am very happy with the FMF exhaust system and would recommend it to anyone looking for an after market exhaust. Sounds amazing and looks great. Thanks Bike Bandit for the excellent service..
March 31, 2017
Purchased
over 2 years ago
Would you recommend
Yes
Great Header
Works great. You will feel the increase in power right away.
May 27, 2016
Would you recommend
No
Didn't fit
Has a different flange than stock and will not fit into stock clamp
September 17, 2015
Would you recommend
Yes
High quality construction
The FMF Power Bomb Header is an easy upgrade, it comes with simple to follow step by step instructions. it is constructed with high quality welds so it looks as good and should last!
December 15, 2014
Would you recommend
Yes
Perfect Fit
I purchased this as an upgrade for my '12 KLX250S when I installed a big bore kit on it. The pipe fit perfectly and the welds on the header flange are very clean. A good choice for either a replacement part or if you're looking for added performance.
April 30, 2013
Would you recommend
Yes
fmf power bomb is the way to go!
had a stock header pipe slid into my fmf powercore...just wasn't working out. Looking around and found the fmf power bomb. Good price and good looking header pipe. Sealed into my aftermarket power core. Got the added power with a slightly quiet, but still deep sound from the bike.
March 26, 2013
Would you recommend
Yes
quality component
ordered the power bomb, to complete the FMF system on my drz, received item in 2 days, installed in just a few minutes, looks and sounds good, moderate increase in low to mid range. nice product.
October 27, 2011
Would you recommend
Yes
Bolt-on Speed
Easy to bolt on. Lighter than stock pipe. Increase of power. Sounds great!
July 14, 2011
Would you recommend
Yes
fmf power bomb 2004 crf 450 r
resonable prices fast shipping and every thing you need for your bike
May 6, 2010
Rider Reviews - Summary
Overall Review:
4.6
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