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Post by slv on Feb 9, 2017 11:10:43 GMT -7
3/4 stainless steel system with sound insert installed.
Much better than the Danmoto midpipe and stock can. Instead of the woodpecker on a tin roof sound, it's more of a leather belt flapping in a strong wind. No more rattling around in my helmet. It's not quiet, but it's not super loud under normal conditions either. It does have a mean growl under hard acceleration. Still, not a rattling in the helmet pitch. I'm very pleased.
As expected, the product quality and fit is impeccable.
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Deleted
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Registered: Nov 28, 2024 0:56:00 GMT -7
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Post by Deleted on Feb 9, 2017 12:56:22 GMT -7
Very nice!!
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Post by 0002s on Feb 9, 2017 19:17:33 GMT -7
Nice.
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Post by slv on Feb 9, 2017 20:02:58 GMT -7
spartanadv The midpipe is a three piece unit. The front two pieces join only at the hanger. The aft piece connects to the front two with springs. The whole rig takes a lot of stress out of the system. 
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spartanadv
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Post by spartanadv on Feb 9, 2017 20:05:35 GMT -7
That is artwork! Thank you for this!
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warnock
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Post by warnock on Feb 12, 2017 16:23:32 GMT -7
Does anyone have a dyno graph for this? Curious to see how much HP it'll make.
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Post by slv on Feb 15, 2017 18:07:38 GMT -7
I don't have a dyno chart, but Yoshimura has been making excellent race systems for many years. I can confirm that with this pipe and the 2WDW flash, the bike runs really really strong with no noticeable flat spots or loss of torque. Snappy throttle wheelies at 70mph in 3rd gear, or launch power right off idle
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mateo
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Post by mateo on Feb 17, 2017 8:53:46 GMT -7
FYI, to anyone considering this system for their FZ-10
In responding to my inquiry regarding ideally suited fuel management systems for the Alpha T, Thomas Lee, from Yoshimura Technical Support and Sales, stated the following:
"A fuel management system is not required to run this Yoshimura exhaust system. Yoshimura designed and tested the exhaust system for stock settings."
Therefore, remapping or otherwise messing with the fuel settings when running this system will not only set you back in the pocketbook but it will set you back on the road as well. I'm thinking the only mod you'll need is, maybe, the servo buddy just to eliminate the wires and motor.
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Post by slv on Feb 17, 2017 10:27:29 GMT -7
I don't get what you're saying.
That it isn't any better than stock, and not as good as other aftermarket exhaust?
Or, that it won't run good with a fuel management system?
Was this guy talking about the slip-on only? The 3/4 "race" version replaces the catalytic converter with open pipe. This alone will cause a lot of popping and backfiring if you don't block off the AIS.
While you don't need to install fuel management, a flash tune with revised fuel settings will dramatically increase power performance. The dyno charts from @twowheeldynoworks don't lie. I'm not aware of them testing this specific exhaust, but it isn't substantially different than other aftermarket 3/4 systems.
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Post by 0002s on Feb 17, 2017 10:32:35 GMT -7
FYI, to anyone considering this system for their FZ-10 In responding to my inquiry regarding ideally suited fuel management systems for the Alpha T, Thomas Lee, from Yoshimura Technical Support and Sales, stated the following: "A fuel management system is not required to run this Yoshimura exhaust system. Yoshimura designed and tested the exhaust system for stock settings." Therefore, remapping or otherwise messing with the fuel settings when running this system will not only set you back in the pocketbook but it will set you back on the road as well. I'm thinking the only mod you'll need is, maybe, the servo buddy just to eliminate the wires and motor. Set you back how on the road? Are you saying that a change in the fuel mapping of the engine will not produce more hp/tq because the Yoshimura system negates these by their design and testing per Mr. Lee? |
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mateo
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Post by mateo on Feb 17, 2017 12:36:19 GMT -7
I guess you need to distinguish between canned (bench ECU mod software) and custom (dyno) tuning. Why would you need or want to mess with the ECU if the exhaust manufacturer designed its product around the stock setting? And does anyone have any actual experience with poor performance resulting from use of an Alpha 3/4 with the stock fuel settings?
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Post by 0002s on Feb 17, 2017 12:50:02 GMT -7
I guess you need to distinguish between canned (bench ECU mod software) and custom (dyno) tuning. Why would you need or want to mess with the ECU if the exhaust manufacturer designed its product around the stock setting? And does anyone have any actual experience with poor performance resulting from use of an Alpha 3/4 with the stock fuel settings? You would change the ECU stock program to: 1. Increase the stock HP/TQ of the motor past the factories settings. 2. Remove or add features that the manufacturer has decided to gimp or leave off (top speed limiter and quick shifter turned on as example) There is nothing special about this exhaust, baffle and mid pipe. Stock it is not going to give you more than 2/3 hp/tq bump if that. It will give you a better exhaust note. It does look good compared to stock (that's an opinion) No slip on or full exhaust will give you much more than sound and weight reduction (it is a lot of weight reduction). Adding a stock ECU tune for a cat back exhaust will dramatically increase the bikes hp/tq over stock. Do they have an MT-10 and a FZ-10 version. To believe them they must. Because, while these bikes are the same, the FZ-10's ECU has been detuned compared to the MT-10. |
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mateo
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Post by mateo on Feb 17, 2017 12:50:03 GMT -7
Here's a better question: why would anyone want to mess with their ECU, if they didn't have to, knowing the history of after-market flash products f'ing with the YCC-T, D-MODE, TCS, and cruise control? Especially with respect to a relatively new bike on the market? Think about the mess R1 owners had when it came to bench tuning their ECUs? If engineers in white lab coats from Yamaha and Yoshimura are saying a fuel management system isn't necessary, then why take the risk?
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mateo
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Post by mateo on Feb 17, 2017 12:52:30 GMT -7
So you're getting 164 HP instead of 160? And you can go faster than 180 MPH? Outstanding!
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Post by 0002s on Feb 17, 2017 13:07:20 GMT -7
So you're getting 164 HP instead of 160? And you can go faster than 180 MPH? Outstanding! No I'm getting 155ish vs 138ish. The FZ-10 is detuned from the factory compared to the MT-10. I am also getting a smoother TQ and HP curve. I have the QS w/auto blip engaged. I have a the 135 top speed limiter removed. I have my factory fans coming on at lower temps to keep the bike cooler..... and so on. Other than weight reduction, removing the headers and adding a mid pipe does not add enough additional power for me to justify paying the extra money. The weight reduction would be worth it if I raced. Different strokes for different folks. You made a point stating that Yoshimura designed and exhaust set for stock bikes and because of this would not react well to a ECU tune. My point is that it will react equally as well to any ECU to as any other mid pipe and slip on would. This exhaust is not adding anything special that any other exhaust adds other than it's looks, sound and weight reduction. |
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racetech92
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Registered: Feb 16, 2017 10:18:41 GMT -7
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Post by racetech92 on Feb 17, 2017 13:09:15 GMT -7
The 160hp rating from the factory is at the crank not the tire vs. the 138ish as noted above is measured at the tire.
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Post by 0002s on Feb 17, 2017 13:19:19 GMT -7
Here's a better question: why would anyone want to mess with their ECU, if they didn't have to, knowing the history of after-market flash products f'ing with the YCC-T, D-MODE, TCS, and cruise control? Especially with respect to a relatively new bike on the market? Think about the mess R1 owners had when it came to bench tuning their ECUs? If engineers in white lab coats from Yamaha and Yoshimura are saying a fuel management system isn't necessary, then why take the risk? I'm not sure if you ride the FZ or MT. If you ride a stock FZ it is not tuned from the factory to the same specs as the MT. So I guess Yamaha's white lab coat guys decided to gimp the US market because??? There is nothing different between the two bikes past the ECU tuning. I don't have any of the problems you described. I don't ride an R1. Fuel management isn't necessary to get relatively the same hp/tq results for any mid pipe and slip on, on the market. Conversely they will not effect the increases from a ECU tune with any mid pipe and slip on, on the market. If you want the greatest increases, for the FZ-10, in HP/TQ, the ECU tune is the only way to go besides getting a bigger bike. If you're not concerned with more HP/TQ from the bike past the 2/3 hp/tq increase with the exhaust then you're free to do so. Nothing wrong with it. But saying that THIS exhaust package with not preform well with a tune is wrong. It will preform just like the 30 or so others out there. Expect the FZ-10 to get 155ish HP with a exhaust / tune over the 138ish stock. There are plenty of dyno charts with a multitude of tune/exhaust combos that show this. MT-10 150ish stock (note the increases are not that dramatic vs the FZ-10 with a ECU tune. It does dramatically smooth out the curves.)  FZ-10 138ish stock 
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Post by slv on Feb 17, 2017 15:28:47 GMT -7
My question is this. Why is this Yoshimura exhaust singled out with this controversy just because a Yoshi person said it doesn't require a fuel controller. The same applies to all aftermarket exhausts.
Also, on a completely different topic unrelated to Yoshimura or other specific exhaust, 2WDW dyno tuned a flashed FZ-10 that had a mid-pipe in place of the cat, but used the stock silencer. The result was 147hp, at the wheel which was 14hp more than the same bike in stock form. My bike has a canned copy of that same tune but with the Yoshimura 3/4 exhaust. All the features work and the bike runs great. It has a very noticeable increase in power over stock, and smoother acceleration, The top speed limit and the limitation of open throttle below 8000rpm has been disabled. The bike also runs cooler.
I guess I''m confused as to why the distrust of ECU flashing or fuel controllers is applied specifically to the subject of this thread. The argument seems to apply to all exhausts, stock or not. Am I misunderstanding the point?
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Post by 0002s on Feb 17, 2017 16:17:07 GMT -7
^^^^THIS^^^^
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sam07
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Post by sam07 on Feb 19, 2017 18:02:56 GMT -7
spartanadv The midpipe is a three piece unit. The front two pieces join only at the hanger. The aft piece connects to the front two with springs. The whole rig takes a lot of stress out of the system. Nice looking setup. The mid pipe contours well to the lines of the bike. The carbon pieces are eye candy. |
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