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 FMF MegaBOMB

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yellowredlight




PostSubject: FMF MegaBOMB   Thu Apr 22, 2010 3:08 pm

Dennis Kirk is having a closeout of the FMF MegaBomb so i just picked on up for my r

Anyone here have any seat time with one?

fmf programmer and q4 will be ordered when i sell my KLR250 this weekend (hopefully!)
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jlpred




PostSubject: Re: FMF MegaBOMB   Sat Apr 24, 2010 10:43 am

I haven't seen anyone with one yet. Since I'm still on stock exhaust, I'm interested to hear your review. Be sure to post up after you get some seat time with it. Esp would like to know about noise. FMF claiming a possible 1.5db drop with it.
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bu2baja




PostSubject: Re: FMF MegaBOMB   Sat Apr 24, 2010 12:33 pm

Put a powercore and megabomb on my r2 a couple of months ago.
I can't believe how much the bike has changed.
I could barely pull the front wheel of the ground on a fast acceleration, but now I have to be careful that I don't loop-out! I don't know how it compares to the powerbomb, so I can't speak as to the difference of the two.

As for noise, it's pretty loud with the powercore. I know most people have the Q. If I just putt-putt around and stay off the gas it sounds almost stock, which is awesome when you're just cruising around people/houses. But, as soon as you get on the gas it's definitely not quiet.
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motokid
Moderator



PostSubject: Re: FMF MegaBOMB   Sat Apr 24, 2010 2:00 pm

I see the Powerbomb on closeout: click here

Not the megabomb. Can you post a link to the Megabomb closeout please?

Is it remotely possible that you can gain 10% horsepower through just the header pipe?

Does anyone have a Dyno test before and after with no other modifications than adding just the header pipe?

_________________
2008 WR250X
Gearing: 13t - 48t
Power Commander 5 / PC-V
Airbox Door Removed - Flapper glued - AIS removed
FmF Q4
Bridgestone Battlax BT-003rs
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BigBird




PostSubject: Re: FMF MegaBOMB   Sat Apr 24, 2010 8:19 pm

I can't remember all the details - BUT when I talked to FMF a while back they said they didn't make the megabomb for our bikes?
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jlpred




PostSubject: Re: FMF MegaBOMB   Sat Apr 24, 2010 8:36 pm

Not sure if this will work.. http://www.fmfracing.com/Mode/Bike/2008_YAMAHA_WR250X?PFinder=Headers According to FMF website they do. Thx for the mini review baja. Its getting very tempting now..
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derm75




PostSubject: Re: FMF MegaBOMB   Sat Apr 24, 2010 9:39 pm

jlpred wrote:
Its getting very tempting now..

I'm tempted too. More power.... beavis
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Matty




PostSubject: Re: FMF MegaBOMB   Sat Apr 24, 2010 10:47 pm

BigBird wrote:
I can't remember all the details - BUT when I talked to FMF a while back they said they didn't make the megabomb for our bikes?
I have it on mine with the Q4.... it sounds great.
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derm75




PostSubject: Re: FMF MegaBOMB   Sat Apr 24, 2010 11:00 pm

Matty wrote:
I have it on mine with the Q4.... it sounds great.
Did you put the Mega and Q4 on at the same time? Was it a noticeable improvement?
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Matty




PostSubject: Re: FMF MegaBOMB   Sat Apr 24, 2010 11:11 pm

derm75 wrote:
Matty wrote:
I have it on mine with the Q4.... it sounds great.
Did you put the Mega and Q4 on at the same time? Was it a noticeable improvement?

Ya it gave it a lil more grunt. And made it actually sound like a real motorcycle. lol.

I have a good hook up with aftermarket parts so i went with the Mega. My buddy has the Powerbomb on his and they sound very similar. He's geared to 12/46 whereas i'm still stock gearing. So it's hard to tell the difference in power between the two.
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yellowredlight




PostSubject: Re: FMF MegaBOMB   Mon Apr 26, 2010 10:19 am

jlpred wrote:
I haven't seen anyone with one yet. Since I'm still on stock exhaust, I'm interested to hear your review. Be sure to post up after you get some seat time with it. Esp would like to know about noise. FMF claiming a possible 1.5db drop with it.

will do

motokid wrote:
I see the Powerbomb on closeout: click here

Not the megabomb. Can you post a link to the Megabomb closeout please?

Is it remotely possible that you can gain 10% horsepower through just the header pipe?

Does anyone have a Dyno test before and after with no other modifications than adding just the header pipe?

It looks like i got the last one. I got it for $179 shipped FYI

BigBird wrote:
I can't remember all the details - BUT when I talked to FMF a while back they said they didn't make the megabomb for our bikes?

they do now
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yellowredlight




PostSubject: Re: FMF MegaBOMB   Tue May 11, 2010 7:15 pm

well got it all bolted up.... AWESOME. she feels like a real bike! lol

I hate to say that, but after a ride on Sunday where i did a bike swap with a kx250f it had me bummed.

the bike is WAY more responsive, bit more power down low and just way better to ride!

I cut out the airbox flapper, cut out the snorkel, fmf programmer, q4, and mega bomb

And its not just me saying this to justify my hard earned $$$ spent. Had 2 friends ride it and they liked it better as well. One friend liked it so much he wants to sell his klx250 with a big bore kit to get a r





and my helper
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motokid
Moderator



PostSubject: Re: FMF MegaBOMB   Tue May 11, 2010 8:23 pm

It looks bad-ass to be sure.

When I have nothing left to buy for my X I'll consider a header.

_________________
2008 WR250X
Gearing: 13t - 48t
Power Commander 5 / PC-V
Airbox Door Removed - Flapper glued - AIS removed
FmF Q4
Bridgestone Battlax BT-003rs
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SheWolf
Alpha Rider



PostSubject: Re: FMF MegaBOMB   Tue May 11, 2010 10:43 pm

Awww I love puppy shots!

_________________
A wolf's voice echoed down the mountain 'Share the bounty of the hunt with your brothers and sisters, and forever be strong and free.'
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toast




PostSubject: Re: FMF MegaBOMB   Wed May 12, 2010 10:49 am

I love jello shots.


The downside of the megabomb is how much heat the damn thing throws off on your right leg. I tried wrapping it in thermotec, but the transition from small to large in the bulge is too sharp, the wrap won't lay correctly. I just found on DennisKirk a carbon fiber heat shield for a megabomb. It is listed to fit the 01-07 wr/yz megabomb pipes, so we'll see if it is close enough to work on this one. It is $$$, but the alternative is to ship the pipe to JetHot and that would be even more money.

http://www.denniskirk.com/jsp/common/img_pop.jsp?skuId=433804&imgId=0
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yellowredlight




PostSubject: Re: FMF MegaBOMB   Wed May 12, 2010 11:04 am

hum, i didnt notice any excess amount of heat on my leg.

im tempted to throw my stock header on for a day to see if i notice a difference.
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toast




PostSubject: Re: FMF MegaBOMB   Wed May 12, 2010 11:07 am

If you ride with MX boots you might not notice it, but on the street I'm using Alpinestars SMX1 boots and I can really feel the heat when the air temps get above 70.
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Matty




PostSubject: Re: FMF MegaBOMB   Wed May 12, 2010 11:43 am

I haven't noticed that much heat either.... i mean it get's hot, but not unbearable. I ride with mx boots on the trails and work style boots on the streets.
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yellowredlight




PostSubject: Re: FMF MegaBOMB   Wed May 12, 2010 4:59 pm

every time i say/read megaBOMB all i can think of is:

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SteveRed




PostSubject: Re: FMF MegaBOMB   Thu May 13, 2010 5:14 pm

I ordered a megabomb header and had it shipped all the way to OZ, only to find out it does not mate with a Yoshi pipe. I have a powerbomb on my earlier WRR and it fitted perfectly with the GYTR slip on. Not sure how to make it fit.. Bummer! The end of the megabomb is oversized for the yoshi.

Steve
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