Nice tires. Do you ride the bike at all or just take parts off of it and call it MotoGP style? And don't try the pathetic excuse of "I just got new tires" either.
allo just sell my gsxr k6 (red black) and was thinking is the time after all of this ..to buy this diavolo u know^.^ but i see the 1098 is diavolic2 why +8k more for S? Atena the roads is freaked only for journeys and some stunts :P
not when its is cut off there, if you would remove the entire system then it would mess it up because the valves would be destroyed by the sudden difference in temperature and carbon buildup, not sure bout the last one though
Per dirla tutta è un DesmoQuattro (4 valvole per cilindro), solo la desmosedici prende il nome dalla somma di tutte le valvole ; )
Ovviamente ci sono anche i desmodue (anche detti pomponi, molti meno cavalli di un desmoquattro ma un motore molto più pieno su tutto l'arco di erogazione) e i desmotre (non so se sia il nome corretto) (montato sulle ducati ST3 che ovviamente hanno 3 valvole per cilindro, sono le "moto da turisti tedeschi" di mamma ducati)
i think you don't know very well how do an exhaust sistem work XD
It's not question of back pressure (you say it rightm that's 2stroke stuff), an exhaust is needed to allow more air/gas mixture to enter in the combustion chamber, because the wave of the gas causes a depression that sucks more air in ; )
Example: a long exhaust will have best depression at mid range rpm, a short exhaust will work best at high rpm.
It's difficult to explain in 500 char XD and i don't know english very well XDDDD
@RKM4entertainment I think by your earlier statment that you are confused. You harmonically tune an intake system NOT an exhaust. How can the exh. cycle affect the intake cycle? Unless, you are talking 2 stroke engines!
Exhaust influence the intake cycle when the intake valve and exhaust valve are opened toghether... i don't know how it's called in english that moment XD
I'm sorry but i can't find some documentation in english, i've got it only in italian
It's called "overlap" in English when the exhaust valve remains open at the beginning of the intake cycle. The idea is that the escaping exhaust gasses create a bit of a vacuum behind them, helping to draw the intake charge into the cylinder. The exhaust length and shape is tuned to make the exhaust charge momentarily slow down, or even reverberate back towards the open exhaust valve, forcing that portion of the intake charge that followed it out the exhaust port back into the cylinder.
I didnt mean to be insulting, it's called valve overlap when the intake and exhaust are both open. That's how unburned fuel vapors escape resulting in an AWSOME fire ball out of the tail pipe. This is a result of the combination of valve open width and duration. ie; how wide it opens and how long it stays open and at hight RPMs the valve's timing overlap. ;)
@HeartFilledHatred : Assolutamente no ! La moto due tempi è molto più sensibile alle modifiche dello scarico perchè parte dell'energia espulsa ritorna indietro ( aiutata dall'espansione a cono appunto).favorendo il rendimento del nuovo ciclo di combustione.
La moto 4 tempi ha altrettanto bisogno dello scarico per altri fattori più complicati da spiegare ( studiati un po di termo e fluidodinamica )....
Sono consapevole di quanto studio implichi la progettazione di uno scarico per 4t, dal dimensionamento dei collettori, alla lunghezza degli stessi, alla raccordatura tramite compensatori...ma in tali motori i silenziatori fungono solo da...silenziatori!
Ti ricordi che per un bel periodo le Moto GP hanno girato senza di essi?
You are correct but because their is less back pressure and hence a higher flow rate, there is less heat extraction from the vapours in the exhaust gas on the exhaust valves, meaning that they run hotter. In some cases, due to thermal expansion, the valves do not seat properly and can really knacker the engine.
I still think that it sounds pretty pornographic without tailpipes. It won't do it any harm running it for this length of time.
You're an idiot. Because the bike has fuel injectors, ... the ECU will automatically remap air/fuel ratio to compensate for exhaust differences? Idiot Less restriction w/o the "muffler cans" equals more power? Idiot That Desmodromic Twin relies on a specific amount of back pressure to maintain equal power, sure more flow, but less combustion. Idiot
A 2 stroke engine needs back pressure to keep all the air/fuel mix in the combustion chamber because the intake port and exhaust port are open at the same time. Since Ducati uses a 4 stroke motor, during the intake stroke the intake valve, or valves, is open and the exhaust valve is closed, then the intake valve closes and the engine goes through the compression and power strokes(both valves are closed), then the exhaust valve opens for the exhaust stroke. So it wouldn't have "less combustion".
yeh your right he was dribbling shit ,the only thing its done is lost torque abit sounds louder and will heat up quicker maybe and what the hell is equal power mean? all exhaust rely on back pressure thats what they do and suppress sound
My Sv sounds better, I have an FMF PowerCore GP Exhaust. this guy just took his silencers off. And yeh, his exhaust valve will actually stay open longer and unburned gas will cause a blow back. And will burn his valves, and maybe crack a piston or two.
That sounds good but I wouldn't recommend riding it like that the bike's engine need's some back presure that's why all of the aftermarket exhaust go straight through but they still have repack!
I did this yesterday when I replaced my stock slipons just to see how it sounds. HOLY SH!T!! it was LOUD!! I don't think you can get a vid to show how loud it really was!
Running a stock 1098 with no silencers will burn up your valves prematurely due to the higher flow because of aerodynamics when the bike is moving. There is a fix if you decide to run the race ECU, you can adjust the exhaust valve servo to either increase or decrease the back pressure. This may solve the valve burning problem, but has not been tested. In any case, as nice as it sounds without the exhaust, it is illegal to run the bike like that (In the US).
NOTHING! Nothing about this hurts the engine, it just enhances the engines performance but the loudness is sadly illegal. He has just removed the silencers and a couple of inches on the pipes, nothing strange.
no it does not enhance performance it fucks the fuelling, they wouldnt charge 12g 4 it else would they, yes change jets, plugs, throttle opening, park timing, ignition, prob elecy buterflies time, inj squirt time, etc etc etc only the most electronically advanced road bike, uhhhhh then u enhance performance.
Lets hold this conversation calm can we? Well then, can you please tell me why they dont have silencers on Moto GP bikes and Formula1 if it is so bad for the engine, second. Me and my frind put a kitcar on the dyno first with silencer and then without. It did get more HP.
Formula One and Moto GP end up rebuilding their motors several times throughout the season. They also do not have to conform to federal noise and emissions. The production bikes are designed to produce the most possible power within the constraints of the law. Believe it or not, the Moto GP and Production bikes do not run the same fuel map! So if you want to change the fuel map, hack off your pipes and rebuild the motor every time you change the oil for an extra 8 horses or so, go for it.
kiy car - this may be true but with this inparticular model of engine u may gain horse power by wipping the pipes off but it wouldnt run true, there will be flat spots, and a faster flow of mix running throught he engine, thus not enough ful being injected, it will slow the bike down, maybe on paper(dyno) it reads more power but whats important is the consistancy of power and the way it delivers it to and throught he tyres which will in realaity terms (on the road or track)
Moto GP style? Thats just a 1098 with no exhaust. Great way to burn your valves up though, keep up the good work and youll be replacing that beautiful engine in no time! Too bad money cant buy smarts or you would be SET!!!!!
float / bend valves? why do you have to coment about things you obviously have no clue about?
if you don't have valve springs, you can't float valves.
how would running a bike without cans on it float valves anyways? might not be best for performance but you won't hurt anything provided fueling has been corrected for the reduced back pressure.
3: he's not running without exhaust, he us running wihtout cans. big difference. this could make the bike slightly lean but that's it. I would love to here your theory on how this is harmful, i need a good laugh.
there are plenty of people who run open headered monsters and once they correct for fueling there is no problem.
1: You spelled desmodromic wrong, use spell checker dip shit.
2: That fancy desmodcrapic system still use's springs.
3: Anything running lean-isn't good for the motor. too lean a mixture, may result in the engine running too hot causing damage to valves and other internal parts, a reduction in power output and can burn up the rings,go in any motorcycle forum and ask. Be prepared for the smart ass replies.
4: Show me a PC3 map for no exhaust cans on a 1098. You won't find any. Only way to correct it.....put the exhaust cans back on.
5: I don't need to do research. Mercedes has been using the desmodomic system since the early 50's, they invented it. Ducati took the idea and modded it.
2:springs do not actuate the valves, they just keep certain things in place and help minimize lash. (hence the name lash spring) it is impossible for the valve to float!
4:put it on a dyno, make a custom map. only retards use canned PCIII maps.
5: yes i have seen w196, fine piece of work 1954, ducati had the 125 triple cam desmo in '57, three years behind. but that is moot, neither invented it. desmo valve actuation as first conceived the late 18th century. and used by many manufacturers in many form throughout the beginning of the 20th century.
So you mean to tell me that if you use a PC3 from from Akrapovic (whom has spent lots of money and time to get the air/fuel ratio for optimum performance)in conjunction with an Akrapovic exhaust system, that you're retarded?
a *qualified* technician can make a custom map for your bike with whatever parts you have hanging off of it that will be better than a canned map. there are many production and atmospheric variances that akrapovic can not tune for. the akra map may be close, but it won't be perfect. it would be a great starting point to save the tech time though.
What about exhaust valve temperature? I've heard that running an open exhaust signifigantly increases exhaust valve/valve seat temps as the complete lack of backpressure "pulls" the still-buring fuel/air misture past the exhaust valves. Thoughts??
that's the lean condition we are speaking of. the pull is what you want, but if the mixture is lean it will be significantly hotter than what is ideal.
...no, 4 stroke engines do not open the exhaust valve during the power cycle.
You can run open exhaust, but you have to alter the fuel injection to cope with the increased air INTAKE as a result of reduced pressure on the exhaust side.
What about during valve overlap? From what I understand, the exhaust valves begin to open a few degrees before BDC, and the absence of backpressure allows the remaining air/fuel mixture to be pulled through the exhaust valves. Once again, I'm not disputing anyone, I'm just looking for further calrification/education!
My 1198 has a 70mm full corse system and my cousin was after the bike while i started it. He hurt his ears. after few minutes it got better.
kpandinu 4 months ago
if he can afford the bike, and hes running it straight piped, I think he has the funds to not care about his valves or his fairings...
240sxdrft 4 months ago
thats really bad for your valves
SuperCali1985 7 months ago
@SuperCali1985 really? why?
MyBoogeryBooger 7 months ago
won't it melt the underside of the fairings?
KabouterPl0f 7 months ago
i rele does sound alot like a gp bike
hamst3rmanv8 8 months ago
lol just because you take the can off... doesnt make it motogp.
Olliedfox 8 months ago
PARECE UM V8!!!!!!!!
NICE SOUND.
23juliano231 9 months ago
isn't that too loud, even for a track!
seff56 10 months ago
this is no moto gp style.....this is "i dont have money to buy an exhaust"-style.... -.-
frotttiop 11 months ago 6
@frotttiop I dont think that guy who has money for ducati hasnt money for exhaust ;)
7Pe7eR7 11 months ago 2
@7Pe7eR7
but it looks like! :/
frotttiop 11 months ago 3
sounds like an american muscle or a monster truck :d
bboyXFlave 1 year ago
Nice tires. Do you ride the bike at all or just take parts off of it and call it MotoGP style? And don't try the pathetic excuse of "I just got new tires" either.
a2birdcage 1 year ago
"Ducati 1098 MotoGP style"
its just like saying, if u want to have a MOTOGP-like bike
remove the muffler. duh!?
these people are ryt u knw. ur going to have problems with
ur valves and on ur fenders on this...
danvincent999 1 year ago
I THINK YOUR PLASTICS UNDER THE SEAT WILL HAVE PROBLEM AS THE TIME PASS
christofer128 1 year ago 5
yea and ur ass would get REALLY hot after about 5 mins or less of drving lol. sounds awesome though. better than a harley ;)
somedumbthing2 1 year ago
why buy expensive termignoni's.....
pdvd78 1 year ago
That's going to melt your undertail and F-up your valves. But it sounds SICK
illilillili 1 year ago
Remember to check ur exhaust valves after that because they may be wor because no back pressure
jhb972 1 year ago
allo just sell my gsxr k6 (red black) and was thinking is the time after all of this ..to buy this diavolo u know^.^ but i see the 1098 is diavolic2 why +8k more for S? Atena the roads is freaked only for journeys and some stunts :P
GSeXeRIK6 1 year ago
Nice video.....but i prefer when i have the carbon termignoni on.....cheers
rpmnutter 1 year ago
love that, no better sound than that
mattymcclean 1 year ago
sounds like that motor is not liking not having that back pressure from the mufflers.
tribaldrummergod 1 year ago
This is a nice "how to melt your body work video" haha
rboeyen 1 year ago 5
no cats? just straight pipes?
yoGOES 2 years ago
doesn't cutting the pipes mess up the engine
flexinn1 2 years ago
not when its is cut off there, if you would remove the entire system then it would mess it up because the valves would be destroyed by the sudden difference in temperature and carbon buildup, not sure bout the last one though
lolzordje123 2 years ago
Sounds like BCS =)
cagivasabec 2 years ago
desmosedici sound xd i love it
MrMonster696 2 years ago
desmocedici rr is a 4 cylinder :P
buzzender 2 years ago
is a desmootto (8 valves = 2x4), sesmo16 is a 4 cilinders.
but, yes. the soun of d16rr and other ducati is fantastic.
W L'ITALIA!
gipek92 2 years ago
Per dirla tutta è un DesmoQuattro (4 valvole per cilindro), solo la desmosedici prende il nome dalla somma di tutte le valvole ; )
Ovviamente ci sono anche i desmodue (anche detti pomponi, molti meno cavalli di un desmoquattro ma un motore molto più pieno su tutto l'arco di erogazione) e i desmotre (non so se sia il nome corretto) (montato sulle ducati ST3 che ovviamente hanno 3 valvole per cilindro, sono le "moto da turisti tedeschi" di mamma ducati)
RKM4entertainment 2 years ago
that sounds awesome, i want one XD
olliec360 2 years ago
you should of waited until about 3am in the morning then took it for a few 10,000rpm passes down the street. love thy neighbour and all that.
deanopks 2 years ago 76
@deanopks word tha ducati will fuck shit up like a bitch
nikonxxx 1 year ago
fantastic...
GMpeppe86 2 years ago
isnt that bad for the valves? no back pressure?
jmicm13 2 years ago
4 stroke dont needs back pressure. but too much back pressure ist bad for the valves.
adam3426 2 years ago 3
4 strokes dont need backpressure? I think thats a wrong statement
jmicm13 2 years ago 3
no. only two strokes need back pressure in order to have the power they have.
didnt you know of free-flow exhaust systems? especially for cars.
muscle cars have mostly free flow exhausts.
MRkallek91 2 years ago
i think you don't know very well how do an exhaust sistem work XD
It's not question of back pressure (you say it rightm that's 2stroke stuff), an exhaust is needed to allow more air/gas mixture to enter in the combustion chamber, because the wave of the gas causes a depression that sucks more air in ; )
Example: a long exhaust will have best depression at mid range rpm, a short exhaust will work best at high rpm.
It's difficult to explain in 500 char XD and i don't know english very well XDDDD
RKM4entertainment 2 years ago
not back pressure, but the exhaust sistem causes depression that allows more air in the cylinder ; )
RKM4entertainment 2 years ago
@RKM4entertainment I think by your earlier statment that you are confused. You harmonically tune an intake system NOT an exhaust. How can the exh. cycle affect the intake cycle? Unless, you are talking 2 stroke engines!
SuperSinistAr 2 years ago
I think you're a bit confused ; )
Exhaust influence the intake cycle when the intake valve and exhaust valve are opened toghether... i don't know how it's called in english that moment XD
I'm sorry but i can't find some documentation in english, i've got it only in italian
RKM4entertainment 2 years ago
It's called "overlap" in English when the exhaust valve remains open at the beginning of the intake cycle. The idea is that the escaping exhaust gasses create a bit of a vacuum behind them, helping to draw the intake charge into the cylinder. The exhaust length and shape is tuned to make the exhaust charge momentarily slow down, or even reverberate back towards the open exhaust valve, forcing that portion of the intake charge that followed it out the exhaust port back into the cylinder.
4570duplex 2 years ago
I didnt mean to be insulting, it's called valve overlap when the intake and exhaust are both open. That's how unburned fuel vapors escape resulting in an AWSOME fire ball out of the tail pipe. This is a result of the combination of valve open width and duration. ie; how wide it opens and how long it stays open and at hight RPMs the valve's timing overlap. ;)
SuperSinistAr 2 years ago
Comment removed
dukedemonic 1 year ago
@RKM4entertainment
I dont know much about engines but i think i understand what you mean.
Thanks to the depression the air cant escape as fast.
The more air in the cilinder the faster the bike will go.
But..isnt it harder then for air to get into the cilinder ?
WindowsMovieMoron 2 years ago
oh baby! dont be so mean! >:-D
eoyourmom 2 years ago
uddi,,,pazzesco...sound da sbavo!!
thebestducati 2 years ago
are these twin cylinders
MyGta123 2 years ago
yes sir. v twin
AcXr50 2 years ago
Hell yeah!!
sunstone12 2 years ago
i would put on a pair of 35degree elbows facing outward with a bias cut than that would look sick
nicknamean 2 years ago
my 996 w/50mm arrows sounds 10x better than this.
gpracer74 2 years ago
very nice
but you havnt realy done much to make it worthy of the motor gp apart from take the end of the exhaust off
olliec360 2 years ago
Peccato che senza terminale la moto avrebbe prestazioni inferiori...motoGP un cavolo!!
laguna182 2 years ago 16
@laguna182 Non è che ti sbagli con i due tempi?
HeartFilledHatred 1 year ago
@HeartFilledHatred : Assolutamente no ! La moto due tempi è molto più sensibile alle modifiche dello scarico perchè parte dell'energia espulsa ritorna indietro ( aiutata dall'espansione a cono appunto).favorendo il rendimento del nuovo ciclo di combustione.
La moto 4 tempi ha altrettanto bisogno dello scarico per altri fattori più complicati da spiegare ( studiati un po di termo e fluidodinamica )....
laguna182 1 year ago
@laguna182
Sono consapevole di quanto studio implichi la progettazione di uno scarico per 4t, dal dimensionamento dei collettori, alla lunghezza degli stessi, alla raccordatura tramite compensatori...ma in tali motori i silenziatori fungono solo da...silenziatori!
Ti ricordi che per un bel periodo le Moto GP hanno girato senza di essi?
HeartFilledHatred 1 year ago
@laguna182 o
professore!
sweisteiger 8 months ago
@sweisteiger L'utilità del tuo commento?
laguna182 8 months ago
ya just had to fuck with it . sounds like shit.
chazman1977 2 years ago 3
You said it.
pinkblanky 2 years ago 3
That plastic seat will JUST love the hot exhaust gases not to mention your bum
frzaducati 2 years ago 4
perchè non ci fai una bella tirata cosi grippi e getti via una moto da 20000€!!!
zfrankino81 2 years ago
e attaccaci sti cazzo di terminali......
gogocolo 2 years ago 2
ducati 1098 is a machine
i love this bike
JackDanii 2 years ago
sounds like shit losing way to much back pressure
gayrabbit 2 years ago
That's a myth, the Ducati is fuel injected , so it will adjust the fuel mixture to suit the engine perfectly.
If anything, it will run better at high speeds.
That's why bikes used to run megaphone pipes.
Don't believe everything you read.
You get more airflow and less restriction without the muffler cans which equals more power. (And more attention from the cops)
MilesB1975 2 years ago 3
You are correct but because their is less back pressure and hence a higher flow rate, there is less heat extraction from the vapours in the exhaust gas on the exhaust valves, meaning that they run hotter. In some cases, due to thermal expansion, the valves do not seat properly and can really knacker the engine.
I still think that it sounds pretty pornographic without tailpipes. It won't do it any harm running it for this length of time.
Matt
evans808274mc9la 2 years ago
So why does an engine run hotter if you block off , say 40% of the exhaust hole?
Higher flow rate would move the hot gases away from the valves at a higher rate, it doesn't make sense.
The valves may run hotter because the engine is developing more power though.
If you had no exhaust pipe at all, I would agree with you.
MilesB1975 2 years ago
Check your inbox mate.
Matt
evans808274mc9la 2 years ago
can u send me the answer too please lol...
wot4edge540 2 years ago
You're an idiot. Because the bike has fuel injectors, ... the ECU will automatically remap air/fuel ratio to compensate for exhaust differences? Idiot Less restriction w/o the "muffler cans" equals more power? Idiot That Desmodromic Twin relies on a specific amount of back pressure to maintain equal power, sure more flow, but less combustion. Idiot
..... You got one thing right though,
"Don't believe everything you read."
toddj8633 2 years ago
A 2 stroke engine needs back pressure to keep all the air/fuel mix in the combustion chamber because the intake port and exhaust port are open at the same time. Since Ducati uses a 4 stroke motor, during the intake stroke the intake valve, or valves, is open and the exhaust valve is closed, then the intake valve closes and the engine goes through the compression and power strokes(both valves are closed), then the exhaust valve opens for the exhaust stroke. So it wouldn't have "less combustion".
sschoenh 2 years ago
first, the 1098 doesn't have a self tuning feature for its ecu.
second, if it did, there is no exhaust bung to measure it.
third, you're a tool that doesn't know what he's talking about and should probably just stop talking.
followtheherdtoo 2 years ago
yeh your right he was dribbling shit ,the only thing its done is lost torque abit sounds louder and will heat up quicker maybe and what the hell is equal power mean? all exhaust rely on back pressure thats what they do and suppress sound
gengiz 2 years ago
Motogp style? U just fuckin cut the pipes. That aint shit.
PillowPanTs8490 2 years ago
woo hoo, I can smell those ass cheecks a burnin already
jcthedrummer 2 years ago
i know that's not the point of this pointless video at all, but just look at that rear wheel... my TZR 125 is a bicycle compared to that
placidesulfurik 2 years ago
b-e-a-utiful
MTBSCOTS4EVA 3 years ago
my tomos sounds better...
tatkonasvi 3 years ago
ma la senti che la moto non va bene?cosi rovini una moto da collezione.....mah che gente!
scikk88 3 years ago
"My Sv sounds better"
first: lol :D sorry, i think you didn't hear a 1098 live. i'm driving a suzuki on my own but a duc sounds very special
second: some of the ducs incl the 1098 have desmodromic valves, it's not possible that they stay longer open, even without backpressure.
PEOPLESX 3 years ago 3
no back prssure = bent valves:(
jaysmith850 3 years ago
Comment removed
buutske 3 years ago
This has been flagged as spam show
this is desmo;-)
buutske 3 years ago
My Sv sounds better, I have an FMF PowerCore GP Exhaust. this guy just took his silencers off. And yeh, his exhaust valve will actually stay open longer and unburned gas will cause a blow back. And will burn his valves, and maybe crack a piston or two.
ken151979 3 years ago
non sfoga capito
XDA91 3 years ago
i think it doesnt ruin the engine, but might the pipes need to be longer, but a silencer is not need
pumba1337 3 years ago
whether it ruins his engine or not thats his choice it sounds cool as hell! :)
rannable8 3 years ago
Thats How Its Done
muska987 3 years ago
it sounds like a old ford 429
did u put cams on it?
badboy81791 3 years ago
1) MotoGP bikes are 4 cylinders, not 2
2) you'll burn the fuck out of your valves running the engine without exhausts on
shauncarlpope33 3 years ago
casey stoner's duke was 2..learn more before say anything
rais135 3 years ago
Bwhahahahahahahahhahahahahahahahahaaaaa!!!!
Caseys Duke (desmosedici) is a V4 engine.
4!!!!
BWAHAHAHAHAHHAAaaaaa
shauncarlpope33 3 years ago
(rais135)Bet you feel a like a right muppet?!
r20nny 3 years ago
Stoner's bike is V4, you dolt.
amran8 3 years ago
dude that sounds sooooooooooo raw i swear to god on that one i love the sound of the deepness
apasang 3 years ago
That sounds good but I wouldn't recommend riding it like that the bike's engine need's some back presure that's why all of the aftermarket exhaust go straight through but they still have repack!
element7us 3 years ago
Haha! Looks amazing! But please don't run it like that man!...
thud87 3 years ago
ma mettigli i scarichi...
mikyxxxxr 3 years ago
i dont care thats the sh**
jaysmith850 3 years ago
ui toll..hast nur den auspuff abgemacht...spitze
keksguru 3 years ago
that sounds like a pure beaut nice 1
robertbull2008 3 years ago
Aint that gona burn the plastic?
Flak0doom 3 years ago
good job. you got your self a harley...
surfmmme 3 years ago
Harley-Davidson: The Process of turning Fuel into pure noise, with out the side effect of horsepower!!!!
gregger454 3 years ago 4
harley sux xD
albiz94 3 years ago
harley sux xD
albiz94 3 years ago
LOLLL
JLchevz 3 years ago
lmao!!!
nativebrother 3 years ago
yaaaaaaaaahhhhhhhhhhhhhhhh!!!!!
lilcarmichael 3 years ago
the sound is just ugly ~_~
messos 3 years ago
I did this yesterday when I replaced my stock slipons just to see how it sounds. HOLY SH!T!! it was LOUD!! I don't think you can get a vid to show how loud it really was!
s4bones 3 years ago
Running a stock 1098 with no silencers will burn up your valves prematurely due to the higher flow because of aerodynamics when the bike is moving. There is a fix if you decide to run the race ECU, you can adjust the exhaust valve servo to either increase or decrease the back pressure. This may solve the valve burning problem, but has not been tested. In any case, as nice as it sounds without the exhaust, it is illegal to run the bike like that (In the US).
roadtrip1098 3 years ago 2
in usa you can ride a bike without the silencer? O-o
albiz94 3 years ago
if you have a good expantion chamber the silencer/muffler should only restrict the bike. Doin this with a few other tweaks will improve power.
toggle90 3 years ago
lol thats the only reason why i'm trying, damn talk about a profit.
kingcr3b 3 years ago
holy shit sounds like a desmosedici, shit i'll try that today, riding a 1098 thats sounds like a desmo! whoa mama!
kingcr3b 3 years ago
ma tu sei pazzo....
skiro89x 3 years ago
Metzeler..Great choice..I roll on Rennsport model.
Brainiac83 3 years ago
looks like some of u need a lesson in backpressure
rgh1217 3 years ago
yeah dont u sound smart u probubally dont even have a bike
zachnunes123456789 3 years ago
Sounds nice, but I would worry about the exhaust venting under the seat like that...
bali105 3 years ago
how is it bad for the engine?
gth392 3 years ago
You get almost no back pressure in the engine. You actually get less power this way.
nativebrother 3 years ago
NOTHING! Nothing about this hurts the engine, it just enhances the engines performance but the loudness is sadly illegal. He has just removed the silencers and a couple of inches on the pipes, nothing strange.
vithaj92 3 years ago
no it does not enhance performance it fucks the fuelling, they wouldnt charge 12g 4 it else would they, yes change jets, plugs, throttle opening, park timing, ignition, prob elecy buterflies time, inj squirt time, etc etc etc only the most electronically advanced road bike, uhhhhh then u enhance performance.
sounds good though admittadly
thesiknik7 3 years ago
Lets hold this conversation calm can we? Well then, can you please tell me why they dont have silencers on Moto GP bikes and Formula1 if it is so bad for the engine, second. Me and my frind put a kitcar on the dyno first with silencer and then without. It did get more HP.
vithaj92 3 years ago
Formula One and Moto GP end up rebuilding their motors several times throughout the season. They also do not have to conform to federal noise and emissions. The production bikes are designed to produce the most possible power within the constraints of the law. Believe it or not, the Moto GP and Production bikes do not run the same fuel map! So if you want to change the fuel map, hack off your pipes and rebuild the motor every time you change the oil for an extra 8 horses or so, go for it.
roadtrip1098 3 years ago 2
kiy car - this may be true but with this inparticular model of engine u may gain horse power by wipping the pipes off but it wouldnt run true, there will be flat spots, and a faster flow of mix running throught he engine, thus not enough ful being injected, it will slow the bike down, maybe on paper(dyno) it reads more power but whats important is the consistancy of power and the way it delivers it to and throught he tyres which will in realaity terms (on the road or track)
thesiknik7 3 years ago 2
prove it faster or not, calm enough vithaj?? lol
*kiy car - kit car
thesiknik7 3 years ago
man that´s so bad for you engine!
aap21 3 years ago
super bombone sciogli plastiche
soapman7x7 3 years ago
everyone shut up, now we don't have to do it on your 1098
gmarkm 3 years ago
Dumb ass, your valves are burning!
escobarmt2 3 years ago 3
do you know anything about the engines NOT
PERPARSON 3 years ago 3
ghetto!!!!
venton3 3 years ago
awesome
Kieranbrew 3 years ago
They don't add an exhaust system to simply quiet it down. There are better reasons.
ericunderscores 3 years ago
non si sciupa sotto il codone?
B3nNy88 3 years ago
gp style?
poor...
manicmechanic76 3 years ago 3
gp style?
poor...
manicmechanic76 3 years ago
sounds awesome
3CD0Widow 4 years ago
congrats on figuring out how to use your slip on tips
CalgaryDynastar 4 years ago
lol
MARIOBLAHA 4 years ago
Moto GP style? Thats just a 1098 with no exhaust. Great way to burn your valves up though, keep up the good work and youll be replacing that beautiful engine in no time! Too bad money cant buy smarts or you would be SET!!!!!
gtdjs2006 4 years ago 11
exactly...not at all something one would want to do to motor; especially a nice Ducati. Get a proper exhaust, man.
kneedragger81 3 years ago
Leave it that way. If you put a A"can" on it, you'll turn gay for sure bro.
mickster907 4 years ago
NONSENSE! u just took off the slipons
RBuller729 4 years ago
this is just a horrible fake look at it guys !
its just a 1098 without a muffler !
slip off
noob
greeTz
viDolini87 4 years ago
you are the noob. read the description of the vid. it just says that its a 1098 without an exhaust..
aras
arasthdm 4 years ago
isnt that going to damage the undercover ??
rasqo2 4 years ago
A desmodromic valve train has no valve springs, if it has springs then its not desmodromic. Stop getting your info from wikipedia!!!
seanhoad 4 years ago
wow vey aggressive!!!!!!!
fashionboys 4 years ago
float / bend valves? why do you have to coment about things you obviously have no clue about?
if you don't have valve springs, you can't float valves.
how would running a bike without cans on it float valves anyways? might not be best for performance but you won't hurt anything provided fueling has been corrected for the reduced back pressure.
1breunig 4 years ago 2
1st: you spelled comment wrong.
2nd: if the engine has valves, then it has springs.
3rd: do some research, you're an idiot if you think that running any engine without an exhaust won't hurt anything.
billyblueyes123 4 years ago
1: wtf? um sorry?
2: do some research the desmodomic valve system
3: he's not running without exhaust, he us running wihtout cans. big difference. this could make the bike slightly lean but that's it. I would love to here your theory on how this is harmful, i need a good laugh.
there are plenty of people who run open headered monsters and once they correct for fueling there is no problem.
you should really think before you speak
breuniga 4 years ago
1: You spelled desmodromic wrong, use spell checker dip shit.
2: That fancy desmodcrapic system still use's springs.
3: Anything running lean-isn't good for the motor. too lean a mixture, may result in the engine running too hot causing damage to valves and other internal parts, a reduction in power output and can burn up the rings,go in any motorcycle forum and ask. Be prepared for the smart ass replies.
billyblueyes123 4 years ago
4: Show me a PC3 map for no exhaust cans on a 1098. You won't find any. Only way to correct it.....put the exhaust cans back on.
5: I don't need to do research. Mercedes has been using the desmodomic system since the early 50's, they invented it. Ducati took the idea and modded it.
billyblueyes123 4 years ago
1:opps soory me speeling aint so great
2:springs do not actuate the valves, they just keep certain things in place and help minimize lash. (hence the name lash spring) it is impossible for the valve to float!
3:no shit, as mentioned in original post
breuniga 4 years ago
4:put it on a dyno, make a custom map. only retards use canned PCIII maps.
5: yes i have seen w196, fine piece of work 1954, ducati had the 125 triple cam desmo in '57, three years behind. but that is moot, neither invented it. desmo valve actuation as first conceived the late 18th century. and used by many manufacturers in many form throughout the beginning of the 20th century.
breuniga 4 years ago
So you mean to tell me that if you use a PC3 from from Akrapovic (whom has spent lots of money and time to get the air/fuel ratio for optimum performance)in conjunction with an Akrapovic exhaust system, that you're retarded?
billyblueyes123 4 years ago
a *qualified* technician can make a custom map for your bike with whatever parts you have hanging off of it that will be better than a canned map. there are many production and atmospheric variances that akrapovic can not tune for. the akra map may be close, but it won't be perfect. it would be a great starting point to save the tech time though.
breuniga 4 years ago
This guy is right. A good custom map will beat a canned map made for situations other than what your bike experiences.
aluisious 4 years ago
Mercedes-Benz didn't invent it, it was way older then the first Mercedes-Benz' which used it during the GP races of the fifties.
Also, Ducati is the first who did it the proper and reliable way by using short rockers and close/opening shims on the same rod.
SgtH3nry3 4 years ago
What about exhaust valve temperature? I've heard that running an open exhaust signifigantly increases exhaust valve/valve seat temps as the complete lack of backpressure "pulls" the still-buring fuel/air misture past the exhaust valves. Thoughts??
Brabus55 4 years ago
that's the lean condition we are speaking of. the pull is what you want, but if the mixture is lean it will be significantly hotter than what is ideal.
breuniga 4 years ago
...no, 4 stroke engines do not open the exhaust valve during the power cycle.
You can run open exhaust, but you have to alter the fuel injection to cope with the increased air INTAKE as a result of reduced pressure on the exhaust side.
aluisious 4 years ago
What about during valve overlap? From what I understand, the exhaust valves begin to open a few degrees before BDC, and the absence of backpressure allows the remaining air/fuel mixture to be pulled through the exhaust valves. Once again, I'm not disputing anyone, I'm just looking for further calrification/education!
Brabus55 4 years ago