Beyote
Parking Attendant
Posts: 14
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posted April 15, 2004 05:58 PM
Running the 10R without an exhaust canister
So I was wondering, since my buddy ran his 954 without an exhaust canister, will any damage occur to your engine if you run straight pipes? I know they do it in Moto GP, but we aren't talking Moto GP here. I would imagine that you get better midrange with the back pressure, and if the canister is excempt, the back pressure will truly be minimized. What about top end? Not that any of the current liter bikes needs to be revved hard to have astronomical power for the street.
Sounds cool though. But I would be afraid of some type of engine damage if it were my brand new bike.
Spank her once for me.
  
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RadCow
Novice Class
Posts: 55
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posted April 15, 2004 06:05 PM
Seems like the butterfly valve in the mid pipe would make sure the bike had some back pressure down low.
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frEEk
Administrator
ummm... yeah
Posts: 9660
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posted April 15, 2004 08:55 PM
Tho the valve may change this, in my experience any engine with open headers runs like crap. Gotta idle it WAY high, like 2000rpm, and then is jsut generally lumpy and stuttery, at least until u reach the top end. I rode my 12 with open headers (1 ft past the collectors) for a month or so and it sucked. couldnt believe how smooth it ran once i got a pipe on there again. Same for my datsun that i ran without on a coupel short trips. Adjusting fuel would prolly help smooth things out a touch mind u. Besides, it's not like any of the aftermarket pipes have any backpressure to speak of, do they? they're just a straight thru shot.
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k bryant
Needs a job
Sponsor
Posts: 2911
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posted April 15, 2004 09:18 PM
I would imagine it's making less hp without the muffler/necessary backpressure for the way it's tuned stock.
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zxhoya
Zone Head
Posts: 631
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posted April 15, 2004 11:32 PM
that's got to be incredibly LOUD. i'm sure that would bring undue
negative attention to yourself?
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''The angle of my dangle is inversely proportional to the heat of my meat'' Will Ferrell
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DB
Pro
Posts: 1932
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posted April 15, 2004 11:41 PM
and the rest of the motorcycle world
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Dan
04 ZX10r (Track only)
08 Concours14
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beansbaxter
Needs a life
Posts: 5911
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posted April 16, 2004 12:03 AM
well i still think it wouldnt be as annoying as those darn d&d pipes...gosh i hate those pipes!
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frEEk
Administrator
ummm... yeah
Posts: 9660
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posted April 16, 2004 10:31 AM
trust me, it would be more annoying  fucker was LOUD. i had to go everywhere trying to stay at 3000rpm or less otherwise it was just unbearable. opened it up a couple times in an industrial park. was glorious! 
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CrotchRocket
Moderator
Bracket Racing with Betsy
Posts: 8038
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posted April 16, 2004 07:17 PM
 Edited By: CrotchRocket on 16 Apr 2004 20:18
I ran my 12 without a baffle had a Muzzy titanium with carbon can, went to the local car/motorcycle show cranked up the RPMs some and alot of heads turned my way...Then I had a couple of Harley dudes wanting to have a loud pipe competetion... I put the 12 in the rev limiter a couple of times and I was the winner!!!...They all said that the 12 sound stood out...
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Jason Miller StreetBike Seminars
*****DragRacers do it better, because they dont cut Corners*****
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trikchop
Expert Class
Posts: 247
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posted April 16, 2004 10:47 PM
i cut about 8 inches off my 10s can its hallo as possible. dumbest thing i ever did.
it sounds like an rx7 on crack. loud as a mutha fucker though.
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matt sterbator
Pro
Hiding in the bushes
Posts: 1367
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posted April 17, 2004 04:10 AM
LOUD does not equal fast.
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Some day, you're going to run out of some days
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trikchop
Expert Class
Posts: 247
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posted April 17, 2004 05:28 AM
yeah it killed it
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Beyote
Parking Attendant
Posts: 14
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posted April 17, 2004 07:19 PM
Edited By: Beyote on 17 Apr 2004 20:19
I love loud pipes but cannot buy something too loud out of respect for my neighbors. I was just wondering if it might damage the engine at all. Most likely not, but you would loose alot of midrange.
I had an RR with a D&D exhuast. Damn it was loud. For one thing, no one ever attempted to side swipe me on the highway (they could hear the bike before seeing it).
Spank her once for me.
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worm~hole
Needs a life
Miles to go before I sleep....
Posts: 10623
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posted April 17, 2004 11:45 PM
I've used my Muzzy Ti horn many times to thwart inattentive cage drivers
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“We sleep safe in our beds because rough men
stand ready in the night to visit violence on those
who would do us harm.”
-George Orwell
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