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Old 02-19-2009, 09:57 PM   #1
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09 Yamaha R1 Exhaust

About time: I want it.

Graves20Full20TI20r1200920low deleted

NEW! Graves Motorsports Full Titanium, Oval Canister Exhaust System with Conical End Cap!

Available for:
2009 Yamaha R1

From the Factory Yamaha Race Team, Graves Motorsports has developed the horsepower to win multiple AMA championships for Yamaha. It's only natural to assume that this will be the best system for your new racing machine.

No jetting/mapping modifications required (although highly recommended...maps recommended)!

Includes everything to install:
Titanium Headers
Titanium Mid-Pipe
Carbon Fiber Canister
3-Piece Mounting Springs
Muffler Clamp

Reduces Weight & Heat, and Increases Horsepower! $1,664.95

http://store.58cycle.com/product_p/g...2009%20low.htm
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Old 02-19-2009, 10:24 PM   #2
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That looks pretty cool, but if I had an R1 I would stick with duals.
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Old 02-19-2009, 10:29 PM   #3
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Get the weight down low for a better COG.
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Old 02-19-2009, 11:03 PM   #4
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Quote:
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Get the weight down low for a better COG.
But isn't there a school of thought where a higher COG is better for cornering?
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Old 02-19-2009, 11:05 PM   #5
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I heard the full Ti Akrapovic yesterday up at Sunnys, and that thing looks and sounds SICK. That Graves just looks funny.
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Old 02-19-2009, 11:22 PM   #6
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go to texas yamaha in webster. they installed it on their 09. it it makes you want to rip out the credit card right then and there
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Old 02-19-2009, 11:35 PM   #7
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When I was at mancuso yesterday they where putting some kind of exhaust on an R1 and it sounded insane. That new firing order and cross plane shaft is the bees knees.
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Old 02-19-2009, 11:48 PM   #8
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Quote:
Originally Posted by Intermission View Post
When I was at mancuso yesterday they where putting some kind of exhaust on an R1 and it sounded insane. That new firing order and cross plane shaft is the bees knees.
Bleh I'll have to go to Texas Yammie to check it out I wont set foot in a mansucko
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Old 02-20-2009, 12:15 AM   #9
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Quote:
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Bleh I'll have to go to Texas Yammie to check it out I wont set foot in a mansucko
Just out of curiosity, why?
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Old 03-09-2009, 10:24 AM   #10
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HAHAHA i was like WTF where is the dual pipes...? then tada. some itty bitty shorty. Tail looks nice but it just isn't an R1 with out the Dual pipes. plus the sound from the stock Full Titanium pipes sounds like a old V8 Camero. why would you want to change that?
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Old 03-09-2009, 11:08 AM   #11
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i heard the full akra and the full dual graves, they both sound very impressive. Shorty one? i don't seem to like it. It also seems that it will be on the way of the race plastics.
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Old 03-09-2009, 11:19 AM   #12
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Quote:
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i heard the full akra and the full dual graves, they both sound very impressive. Shorty one? i don't seem to like it. It also seems that it will be on the way of the race plastics.
+1 I would like to see how it behaves while bike is in full lean. It seems it might get in the way.
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Old 03-09-2009, 11:20 AM   #13
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I bet that is obnoxiously loud.........which means it'll be the exhaust of choice for every 610 lapper.
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Old 03-09-2009, 11:29 AM   #14
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Old 03-10-2009, 10:34 PM   #15
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Quote:
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That looks pretty cool, but if I had an R1 I would stick with duals.
And you would have less hp than the guy with the short pipe! The undertail exhaust has been the reason the R1 has come in short for the last few years to suzuki/kawi on peak hp by about 6 hp. Longer exhaust pipe with more bends equals less hp and minimal gain in torque.
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Old 03-10-2009, 10:36 PM   #16
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Quote:
Originally Posted by Go! Ninja Go! View Post
I heard the full Ti Akrapovic yesterday up at Sunnys, and that thing looks and sounds SICK. That Graves just looks funny.
Same here, I really like the way it sounds, almost better than my LOR on the 10R
+1 to the graves looking funny
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Old 03-10-2009, 10:39 PM   #17
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Quote:
Originally Posted by Predator04 View Post
The undertail exhaust has been the reason the R1 has come in short for the last few years to suzuki/kawi on peak hp by about 6 hp.
The 06-07 ZX-10R's also had dual undertail exhausts.
Perhaps they were designed better. .
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Old 03-10-2009, 10:46 PM   #18
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Quote:
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The 06-07 ZX-10R's also had dual undertail exhausts.
Perhaps they were designed better. .
Well its a long story and not all the exhaust's fault but it carries alot of the blame. R1 traditionally shorter stroke which if yamaha had chosen could have went with a better selection of camshaft and springs and raised the rev limit to 14500 ish and made more power BUT they for some reason didnt esp with this 09 has some mega rpm capability but same wimpy cams and same wimpy redline I mean they went with a bigger bore which unshroudes the valves/creates higher intake charge velocity which equates into more air into cylinder more power and a 52 mm stroke which is hella short but the crank have 4 independent power pulses gives it good torque even with a short stroke and all but they didnt ask me so we got a watered down bike with tons of potential for the aftermarket. Remember hp is built linear so the farther you can rev it and still feed it fuel and air without floatin valves and can keep throwin timing at it you make more power.
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Last edited by Predator04; 03-10-2009 at 10:49 PM.
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Old 03-10-2009, 10:55 PM   #19
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Not a fan.
Does'nt look good and the price difference between a nice set of slip ons would buy quite a few track days/tires.
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Old 03-10-2009, 11:03 PM   #20
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now we're talking
Akrapovic
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