Up or Down on Yoshis? - Wrist Twisters
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post #1 of 45 Old 04-14-2016, 03:41 AM Thread Starter
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Question Up or Down on Yoshis?

I know pipes have been covered extensively here, and Ive gone back and read them.

But now that aftermarket exhaust is very limited for the 9er, I only see Yoshis out there new.

Anyone have a strong opinion for or against these pipes?

I am considering a set. I have no stink issues, I just am interested in what people's experience is with instalation, sound and PCIII maps with it.

Thanks

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post #2 of 45 Old 04-14-2016, 06:59 AM
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Usually have pretty good build quality for the price point. I've had a yoshi 900rr header on my 919, as well as a second-hand can from eBay for several years. Also have yoshi tube on my RC51. I appreciate them, and they aren't too expensive. I believe Delkevic makes a full exhaust for the 919.

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post #3 of 45 Old 04-14-2016, 07:05 AM
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post #4 of 45 Old 04-14-2016, 07:45 AM
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Quote:
Originally Posted by theboom View Post
I know pipes have been covered extensively here, and Ive gone back and read them.

But now that aftermarket exhaust is very limited for the 9er, I only see Yoshis out there new.

Anyone have a strong opinion for or against these pipes?

I am considering a set. I have no stink issues, I just am interested in what people's experience is with instalation, sound and PCIII maps with it.

Thanks
Installation is pretty simple, sound is good, but I'd suggest getting the removable baffles (not sure if those are a separate item or not, my bike came with the pipes on) as that will let you go longer without repacking. The ones I had were really quiet at first, while still sounding nice, but after 15,000 miles were too loud for my taste even with the baffles in. PCIII didn't seem to make much difference to me, but on a bike like this I wouldn't expect it to.

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post #5 of 45 Old 04-14-2016, 02:31 PM
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Love mine but they don't come with heat shields. You can use the ones from the stock exhaust or have something made. The Mivv exhaust is still available and cheaper. As well as Delkevic, Dan moto and GPR to name a few. There are more

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post #6 of 45 Old 04-14-2016, 02:36 PM
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post #7 of 45 Old 04-14-2016, 03:02 PM Thread Starter
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Originally Posted by redline919 View Post
Scorpion, Remus , Hawk, Laser, Akropovic, Two brother, Micron , Jardine
How many of these are made today and available for the 919? 2bros certainly arent. This isnt 2008.

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post #8 of 45 Old 04-14-2016, 03:12 PM
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Quote:
Originally Posted by theboom View Post

How many of these are made today and available for the 919? 2bros certainly arent. This isnt 2008.
All of them or I wouldn't have posted. http://m.ebay.com/itm/360497824986

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post #9 of 45 Old 04-14-2016, 03:14 PM
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Anything else you want me to Google?

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post #10 of 45 Old 04-14-2016, 03:15 PM Thread Starter
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Originally Posted by redline919 View Post
Thanks I havent had much luck with my ebay searches, Im confused are those carbon fiber or stainless....

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post #11 of 45 Old 04-14-2016, 03:16 PM
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Quote:
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Thanks I havent had much luck with my ebay searches, if I could get those 2 bros in carbon fiber Id be on it!
They are look at the link again

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post #12 of 45 Old 04-14-2016, 03:17 PM Thread Starter
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They are look at the link again
Well DANG!

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post #13 of 45 Old 04-14-2016, 11:35 PM
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Quote:
Originally Posted by theboom View Post
I know pipes have been covered extensively here, and Ive gone back and read them.

But now that aftermarket exhaust is very limited for the 9er, I only see Yoshis out there new.

Anyone have a strong opinion for or against these pipes?

I am considering a set. I have no stink issues, I just am interested in what people's experience is with instalation, sound and PCIII maps with it.

Thanks
Yosh is top shelf stuff.
Excellent workmanship and fit.
You can't go wrong with Yosh.
The OEM heat shields fit on perfectly, and new cans don't need extra shielding on the body.
My TRSs go back some years, and at the time, the Yosh was a quieter can, and likely still are is my guess.
They are not loud at small throttle openings, in fact quite quiet in my "around town mode" but they sure do sing loud when at high power levels like track days.
Like any straight through packed design, the packing life is not infinite, and not only does the noise go up, so does the can skin temp.
I went stainless steel at the time.
IF it was today, I would at least consider going Titanium, purely as a can skin temp reducing element.
I'm no fan of carbon for cans, unless one has $$$ to replace crash damage that metal cans only need a hammer for.
And stay away from carbon cans if you know you won't repack when it's needed, as the C F will cook out.
There's also some excellent PC maps in the WT Dropbox.

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post #14 of 45 Old 08-06-2016, 02:41 PM Thread Starter
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Originally Posted by mcromo44 View Post
And stay away from carbon cans if you know you won't repack when it's needed, as the C F will cook out.
What is "repacking", and how often does it need to be done. Sorry newb question. Also, you mentioned can temp, is this thing gonna fry my leg/ass?

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post #15 of 45 Old 08-06-2016, 03:59 PM
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Quote:
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What is "repacking", and how often does it need to be done. Sorry newb question. Also, you mentioned can temp, is this thing gonna fry my leg/ass?
No need to apologize. Repacking is the process of removing the old insulation material from inside the can and packing it with new material. This is what controls the volume (and tone to some extent).

Mcromo was saying to not get carbon fiber if you won't repack the exhaust cans when you need to, as the result is that as the packing wears out, the can will run hotter until it gets too hot and ruins the carbon fiber.

usually exhaust needs to be repacked very 10-15k miles, depending on your riding style. Some can go longer before the exhaust starts sounding like absolute crap.

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post #16 of 45 Old 08-06-2016, 04:14 PM Thread Starter
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So does that mean I should buy some extra "packing" insulation from yoshi now since when I need to repack these pipes may not be made anymore for the 9er?

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post #17 of 45 Old 08-06-2016, 04:58 PM Thread Starter
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Stubby 14" Carbon Fiber Oval Muffler to fit 919 (2002-2007)

Anybody like or have these delkevics? They seem nice and are way cheaper than the yoshi CFs.

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post #18 of 45 Old 08-06-2016, 11:45 PM Thread Starter
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With the CF TRS, it might look funky to use the stock heat shield with it. In this picture I dont see the stock one used, does the CF come with a heat shield or did this guy just leave it off or buy some 3rd party thing. Im leaning toward the CF because I have the greenie and I think the high shine of the SS will look wierd.
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post #19 of 45 Old 08-07-2016, 08:15 AM
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They don't come with a heat shield. You have to use the stock ones or just leave them off like most do

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post #20 of 45 Old 08-07-2016, 08:16 AM
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Delkevics are decent but the stainless bits rust easy

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post #21 of 45 Old 08-07-2016, 01:28 PM Thread Starter
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Originally Posted by redline919 View Post
They don't come with a heat shield. You have to use the stock ones or just leave them off like most do
I ride in jeans, I do like the look without the heat shield, but is that gonna burn my ass?

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post #22 of 45 Old 08-07-2016, 01:35 PM Thread Starter
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So not that anybody would really care, but although I do like the SS version of both delkevics and yoshi, being that the green hornet has a matte finish unlike other 9ers, I decided the hi gloss finish of the SS would proly look odd. GF didnt like the look of the delkevics so CF yoshis it is. Only downside visually of the yoshi for me is the red badge against a green bike. But Ill live.

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post #23 of 45 Old 08-07-2016, 01:45 PM Thread Starter
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Is there any way to remove the Yoshi Red badge from the pipes without leaving holes or marks? Sure would be nice not to have red in the picture (I dont have the stock red shock either)

If it wasnt for the install hassle of loosing the y-clamp and the spacer issue I would just get delkevic I think. Also the mentioned horsepower loss with the baffles out....

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post #24 of 45 Old 08-07-2016, 03:31 PM
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Yoshi's are better quality and better sounding. My 2 favorite pipes in terms of sound/volume are Satos and Yoshi's. I've read that the Moros are the ultimate but they are so damn rare that I settled for Satos.

The 02/03 Asphalt black are matte as well. The matte can go either way, depending on your preference. I think either the SS or carbon will look fantastic. The red on the Yoshi's make the pipes pop a little more and looks good.

You don't have to use brand specific packing material, but you can if you desire. Yoshi's use a lot of the same packing material across their exhaust lines. The amount they use is what will change.

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post #25 of 45 Old 08-07-2016, 03:49 PM Thread Starter
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Ugh, I cant decide CF or SS, I went back and looked at a pic of my bike new and the cans were pretty shiny, but the weight reduction and less heat on the body seems better. But the SS cans seem to look better because if you use the stock heat shield it looks "stock-ish", or maybe stock-plus. I am concerned about not using a heat shield at all on the CF and getting burned or mildly pissed off at the heat. The look with the CF and the stock heat shield is not so great.

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post #26 of 45 Old 08-07-2016, 04:12 PM
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You will get more heat from the motor than the pipes. They won't burn you either. I have them in CF and I've had CF Satos. Repacking is fairly easy , but you can also just send them to Yoshimura USA and they will do it for a small fee. Mine are older with a lot of miles and they still look and sound great for what it's worth. I don't think they have ever been repacked. Just pick the ones you like the most and they will last for years to come. I have my baffles out and felt no loss of power when I took them out. If anything it opened it up for more mid range and top end pull. I repacked my Satos with packing material from Moose racing and it worked out great. Just drill out the rivets, pull it apart , replace material, reassemble with new rivets, done. Yoshi will also make you a custom exhaust with no badge and different tips if you contact them although it will be more expensive of course.

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post #27 of 45 Old 08-07-2016, 06:44 PM
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I guess nobody likes the dan moto carbon GPs eh ? Cleans up the rear really good, sound amazing and cost significantly less than the Yoshi's.
And no there are no weird heat transfer or increased temp areas.

See attached
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post #28 of 45 Old 08-07-2016, 08:40 PM Thread Starter
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Welp, I guess its down to this. I did some photoshop to help me decide. Votes are welcome. Leaning CF right now. THanks everyone for your input.
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post #29 of 45 Old 08-07-2016, 10:51 PM
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carbon is always cooler so might as well go with carbon :P
theboom likes this.

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post #30 of 45 Old 08-07-2016, 11:16 PM
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That's some decent photochopping! Far better than I ever could.

Looks like Carbon Fiber wins hands down.

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post #31 of 45 Old 08-07-2016, 11:18 PM Thread Starter
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Looks like Carbon Fiber wins hands down.
Agreed!

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post #32 of 45 Old 08-11-2016, 07:23 AM
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Also, to make the heat shields look better you can wrap them in carbon fiber vinyl. I did that for a while and they never got hot enough to affect the look (although I imagine it wouldn't be fun to remove anymore) I never really liked the look 100% though because the heat shields are rounded and the TRS's are "tri oval" so it doesn't line up the best

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post #33 of 45 Old 08-11-2016, 01:23 PM
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Quote:
Originally Posted by ewmin3m View Post
I guess nobody likes the dan moto carbon GPs eh ? Cleans up the rear really good, sound amazing and cost significantly less than the Yoshi's.
And no there are no weird heat transfer or increased temp areas.

See attached
I would recommend them. I have a single can on my 919 and both cans on my rc51. Great sound for the price.

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post #34 of 45 Old 08-17-2016, 02:48 PM
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I would recommend them. I have a single can on my 919 and both cans on my rc51. Great sound for the price.
I don't suppose you could share a pic of the single can on the 919??

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post #35 of 45 Old 08-17-2016, 02:58 PM
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Yesh. Also, I'm using the 900rr header.
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post #36 of 45 Old 08-17-2016, 06:40 PM Thread Starter
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And so it begins...
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post #37 of 45 Old 08-17-2016, 06:42 PM Thread Starter
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Yesh. Also, I'm using the 900rr header.
Dude I had a separate topic about these carriers (on the back of your jeep)... Which one is that and do you have any issues carrying the 919 on it? Want to do the same. Does the one you have have the built in ramp?

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post #38 of 45 Old 08-17-2016, 07:06 PM
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Those looks awesome and I bet they will sound badass but does anyone else loathe the huge red & white Japanese lettering or symbols or whatever that is? Ugh. That alone would keep me from putting them on my bike. I just love a clean uncluttered look. Maybe it's just me... must be, based on how common the badges are.

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post #39 of 45 Old 08-17-2016, 09:55 PM Thread Starter
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Anyone know what this part is? Theres 2 that came with the yoshis and they arent in the parts diagram or mentioned in instructions.
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post #40 of 45 Old 08-18-2016, 12:31 AM
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Those look like baffles that you stick in between the muffle and the mid pipe...but don't quote me on that :P

wait for somebody that actually has these pipes

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Anyone know what this part is? Theres 2 that came with the yoshis and they arent in the parts diagram or mentioned in instructions.

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