Kxf FMF 4.1

[SoobaaSteve]

what year?

[parente361]

@SoobaaSteve 2007



[SoobaaSteve]

stanless steel or titanium?

[parente361]

@SoobaaSteve stanless steel 

[alienworkshopsk81006]

have one on a ttr 125 sounds mean

[yz125rider194]

is power bomb titanium

[fourwheelerjock]

so badass

[MegaMitch96]

the hills our alive with the sound of 4 stroke!

[clyddoudou]

do u think it will work fine on a yfz 450?

[parente361]

@clyddoudou Yes! It will work's good, now I have one YZF but it is 250 and with athena big bore 290cc and the same exhaust..it's awesome!

[xiB1ack0utzx]

@parente361 How you liking the big bore kit bruh?

[dirtjumper7077]

sounds dirty

[kxdirtrider85]

how often do u have to adjust the valves on these bikes?

[woodjohn420]

i just put the same set up on my 2005.... How is the head pipe with no heat shield??? I have not had a chance to ride my bike yet and was wondering if it's going to melt my boots??? or if i need to tig weld the stock heat shield on?

[gmoney742]

@woodjohn420 thatd be best cause i have the same thing and every time you take a holeshot and that bitch is glowing red it dents way to easy. thats wat happend to mine anyway. but i still kicks ass. it just has a few dents

[gmoney742]

@woodjohn420 and it melts your boots. i just taped a piece of metal to the inside of my boot wit heat resitant tape and its worked well so far. and you end up wit plastic on your pipe and it smells and lookd terrible

[Gopunk2008]

my 250 has a whine like that and i just checked my valves yesterday so its all good

[TheMillStGAnG]

love that intake whine

[fmftrx300ex]

i think you might need to do a valve adjustment

[olliec360]

that exhaust is that good but all the decor is

[yz125and85]

Love it : D Now I know what im getting for mine!

[wory8]

dude sick bike soundz great and sick graphics

[brenton214]

That bike is awesome

[dritter85]

yeah man mine yoshimura whistles too

[dudetwo123]

What makes the bike exhaust sound have that slight whistle to it, when you gas it a little? That sounds so cool.

[nubblisious2234]

dude its turboed

[timba199]

haha...no buddy im afraid its not.

 My Yosh does the same thing.

[ryanthie]

My stock 450F does it too when revved.

[arronk09]

yeah i noticed it myself although i only found it to be 450s that do it..never heard a 250F do it

[mikefity4]

i think its the intake

[BurningTirez]

@dudetwo123  Airbox sucking air I think.

[MrDirtrider21]

@dudetwo123 its all the air rushhing into the cylynder head and yea i know it sounds dick as hell lol

[Gavb2010]

@dudetwo123 u no what i think your the only person iv seen say that i hear that i got the same bike n iv never found out what it is it sounds cool tho

[broommad]

Fresh bike mate truely fresh.

[IntimoTS]

great sound man, listen my

[kawipro616]

those are some sick graphics dude i got a sponsorship through n-style

[kawasakifreak51]

duuuuude i have the same graphics kit on mine. ur like the first persone i have seen with it.

[drail150]

i have 06 CRF250r, its got dual FMF 4.1's.

[basketball3335]

Is it a lot louder than stock?

Was there a noticeable increase in power?

[drail150]

250?

[NickLuce]

Yes its a 250

[elliotmotocross]

Do you have to rejet?

[lihxc]

almost all pipes require a rejetting, better exhaust kits allow faster and higher volume of air to travel through the carburetor and intake so it leans out the mixture requiring you to richen it up usually

[elliotmotocross]

yer. good point

[lihxc]

but not always, some pipes run fine without re-jetting, i know drd exhausts are said to run fine without rejetting

[dirtjumper001]

nvm just seen the power bomb..lol

[dirtjumper001]

is that a 4.1 with a stock header?

[hunitpops]

Sounds sick man, and i love the bike. i think you and me got the same graphics kit.

[charliestrathearn]

i just bought my power bomb...is that the titianium one or anondized?

[solidsnake123]

this is just my opinion but i dont really like how kawa's 4 strokes sound

[Ashby92]

I agree, Honda and Yamaha sound a lot deeper and meaner. IMHO

[IfiDieTomoro]

@Ashby92 hondas and yamahas are better thats why

[druminsk8]

@Ashby92 yeah but my kawy sounds like a 450

[elliotmotocross]

I also agree, the white bros. pipes make bikes sound really raspy with no beefy sound, but the best sounding would have to be the CRF250R, can't beat dual exhaust :P

[bessa27]

Que ponteira de boy!!!!!!!!!!!! hahauahau

[dirtrider50]

hey how loud is that pipe i want to buy one and i like the loud

[baurandrew31]

hell yeah, im trying to find one that sounds good too