FMF-Megabomb or Powerbomb

Am buying a FMF Q4 and a FMF programmer.

Trying to decide which header to buy?

Megabomb?

Powerbomb?

Anyone do a comparison?

TIA

gediehl4 wrote:

Am buying a FMF Q4 and a FMF programmer.

Trying to decide which header to buy?

Megabomb?

Powerbomb?

Anyone do a comparison?

TIA

A response from FMF:

Hello Galen,

Both the Powerbomb and Megabomb are great headers. The difference is that a Megabomb is more bottom end power and the Powerbomb is more for top end. So if you are doing rides that have tight turns I would go with a Megabomb and if you are doing more straight line stuff I would go with a Powerbomb. But really its up to you were you want the power to be at. Both header give you about 2-3 horsepower. If you have further questions please call us direct or you can reach me at my ext 248.



Best Regards,
Carlos Taboada

18033 South Santa Fe Ave.


Rancho Dominguez, CA 90221

(310) 631-4363 Ext. 248



www.fmfracing.com

2-3 horsepower just from the header????? On a wr250r/x????


I would like to see proof.

I am a skeptic.

That's roughly 10% more power from about 10 inches of pipe.

Can it be possible?

i love my Megabomb......

yeah, but come on.....10% gain from just the header?

I can see 10% gain from header, cannister/exhaust, and efi programmer....

But not from just the header.

Still a skeptic.

motokid wrote:

I can see 10% gain from header, cannister/exhaust, and efi programmer....

The megabomb looks like it would burn your leg or pants.

njbill wrote:

The megabomb looks like it would burn your leg or pants.

it does neither of those things

Actually... it does both. This weekend, my PowerBomb burned my pants and my friend's arm. It all depends on the situation.

Kinda thinking I should have went with the MegaBomb now. Bottom end power is what the WRR needs most.

Mr.Metal wrote:

Actually... it does both. This weekend, my PowerBomb burned my pants and my friend's arm. It all depends on the situation.

Yeah, I thought so. Without a heat shield, the stock header will burn my pants. I ride mostly offroad and learned to hold onto the bike more with my legs. This is correct form but it can be tough on pants.

saw a pretty nice mega bomb heat shield go by in another thread.. yet another thing to add to ''the list''.

i've had my mega-bomb without a heat shield on my bike for a lot of trail rides, couple of mx courses, dirts naps, etc.... And i haven' burnt anything yet.

Matty wrote:

i've had my mega-bomb without a heat shield on my bike for a lot of trail rides, couple of mx courses, dirts naps, etc.... And i haven' burnt anything yet.

I have the powerbomb on mine and no burning problems either.
Well I did slightly melt a hard plastic piece on my backpack from hanging it off the right mirror while parked.
Always hang it from the left mirror now.

Do you guys not grip the bike with your knees at all? Do your legs not slide back and forth at all? I have pant/shoe melting signs on both the PowerBomb and the very and of the exhaust pipe, right before it goes into the muffler. Maybe I'm a more "wild" rider :)

I haven't melted anything yet but sure have felt the heat . Berwyn

Mr.Metal wrote:

Do you guys not grip the bike with your knees at all? Do your legs not slide back and forth at all? I have pant/shoe melting signs on both the PowerBomb and the very and of the exhaust pipe, right before it goes into the muffler. Maybe I'm a more "wild" rider :)

i do, but when i ride offroad i wear full mx boots and riding gear,

and when i take a quick romp in the dirt wearing jeans, i pinch the seat, i try not to pinch the pipe