Yoshi exhaust questions... - Page 2

biggiej42 · 02-01-2012, 12:09 PM

There may be slight performance benefits, but to tell, you'd really need to see dyno results of all three. I know trc is what they used on the factory z's for a while, not sure if it was for performance or weight reduction or both.

TRMN8TR · 02-01-2012, 12:24 PM

So, with all these Yoshi full exhaust owners in this thread I have to ask.

My quad came with a Yoshi RS-3 slip on, and I'm trying to figure out if it has the full exhaust or not? Do the Yoshi header pipes have the 2 indents for clearance where it passes by the head, right behind the heat shield? Mine has that, and I'm leaning towards it is the stock head pipe. Any help would be appreciated. I don't want to spend the money on a full exhaust if I already have one.

bparks23 · 02-01-2012, 12:25 PM

Another question, the HMF 3 core system, is that not a good investment if your bike is jetted? In other words, would you need to change the jets constantly if you were changing the cores?

biggiej42 · 02-01-2012, 12:27 PM

Quote:

Originally Posted by TRMN8TR

So, with all these Yoshi full exhaust owners in this thread I have to ask.

My quad came with a Yoshi RS-3 slip on, and I'm trying to figure out if it has the full exhaust or not? Do the Yoshi header pipes have the 2 indents for clearance where it passes by the head, right behind the heat shield? Mine has that, and I'm leaning towards it is the stock head pipe. Any help would be appreciated. I don't want to spend the money on a full exhaust if I already have one.

Here's a pic of the yoshi header. Hope it helps.

bparks23 · 02-01-2012, 12:31 PM

And what about Motoworks? How are their pipes?

bimmerdog · 02-01-2012, 12:36 PM

Quote:

Originally Posted by TRMN8TR

So, with all these Yoshi full exhaust owners in this thread I have to ask.

My quad came with a Yoshi RS-3 slip on, and I'm trying to figure out if it has the full exhaust or not? Do the Yoshi header pipes have the 2 indents for clearance where it passes by the head, right behind the heat shield? Mine has that, and I'm leaning towards it is the stock head pipe. Any help would be appreciated. I don't want to spend the money on a full exhaust if I already have one.

I just went out and looked at my wife's stock exhaust and my rs-2 full exhaust. My exhaust has a weld about 2-3 inches from the head and the stock exhaust does not have this weld.

TRMN8TR · 02-01-2012, 12:45 PM

Quote:

Originally Posted by bimmerdog

I just went out and looked at my wife's stock exhaust and my rs-2 full exhaust. My exhaust has a weld about 2-3 inches from the head and the stock exhaust does not have this weld.

OK thanks, that pretty much confirms its just a slip-on. I have no welds the whole length of the exhaust.

Now that I look for it in the picture biggie posted I see the weld just after the head.

bimmerdog · 02-01-2012, 12:54 PM

Quote:

Originally Posted by TRMN8TR

OK thanks, that pretty much confirms its just a slip-on. I have no welds the whole length of the exhaust.

Now that I look for it in the picture biggie posted I see the weld just after the head.

I made the mistake of just having the slip on then I saw the light and ordered from Yosh the head pipe and now all is good.

sd1 · 02-01-2012, 06:11 PM

Quote:

Originally Posted by bparks23

And what about Motoworks? How are their pipes?

motoworks are so so in the performance dept...i'd rate them as equal to a big gun exhaust.....

bparks23 · 02-01-2012, 07:50 PM

Ok think I'll go with the RS-2. SO now all I'll need is a carbon fiber heat shield to go with it. Anyone??

biggiej42 · 02-01-2012, 07:52 PM

Hehe, I bought the last one on ebay, and she's sitting pretty on my header

.

fx4pitrone · 02-01-2012, 08:38 PM

I think I'm also gonna look for a Yoshi RS-2... I was torn between the HMF comp. series, but I think I'm going w/ the Yosh.. plus the Yosh tech said I do not need to alter the fuel mapping w/ the full system as long as I keep the airbox lid on.....

biggiej42 · 02-01-2012, 08:41 PM

This is where I got the carbon heat shield from, shoot them a message and see if they have more.
eBay My World - leesonsatv

bparks23 · 02-01-2012, 09:28 PM

Will do, I have bought a bunch of stuff from them in the past. If you have a change of heart, sell me yours.

bparks23 · 02-01-2012, 09:43 PM

Sent them a message, we'll see.

02-01-2012, 12:09 PM	#16 (permalink)
biggiej42 :::Official Spammer::: Join Date: Jun 2006 Posts: 3,356	There may be slight performance benefits, but to tell, you'd really need to see dyno results of all three. I know trc is what they used on the factory z's for a while, not sure if it was for performance or weight reduction or both. __________________ 05' Z434 12.5:1CP,Full Yosh TRC,FCR40,175/45,Rat Stack,Dyna Programmable,AMR Coil,KW Valvetrain,536/540 Web's,DID Tchain,PWR Radiator,Raptor petcock,Gunnar Kill,Elka S3 Front+Rear w/link,Roll+1 Stem,GPR Stabilizer,SL Hyd.Clutch,Tag T2,LSR+3 Arms,Burgard+1 Swinger,Quadtech Rad Shrouds,Supersprox 14/40t,UM Air Box,YFZ Calipers,SS Lines,PA Bumper,Asv's,Roll Nerfs/Heels/Pegs,LSR Axcalibar,Douglas G2 Beadlocks/Razr's,Hid,YFZTail,Pwrmadd's,TT Vapor+Dash,CV4's,RickyStator. July 2011 QOTM

02-01-2012, 12:24 PM	#17 (permalink)
TRMN8TR :::Z-250 Rider::: Join Date: Nov 2011 Location: Location: Location: Posts: 402	So, with all these Yoshi full exhaust owners in this thread I have to ask. My quad came with a Yoshi RS-3 slip on, and I'm trying to figure out if it has the full exhaust or not? Do the Yoshi header pipes have the 2 indents for clearance where it passes by the head, right behind the heat shield? Mine has that, and I'm leaning towards it is the stock head pipe. Any help would be appreciated. I don't want to spend the money on a full exhaust if I already have one. __________________ 2006 z400. It has things and stuff.

02-01-2012, 12:25 PM	#18 (permalink)
bparks23 :::LT500 Rider::: Join Date: Mar 2010 Posts: 1,053	Another question, the HMF 3 core system, is that not a good investment if your bike is jetted? In other words, would you need to change the jets constantly if you were changing the cores? __________________ 2006 Arctic Cat DVX 400 --UNDER CONSTRUCTION--

02-01-2012, 12:31 PM	#20 (permalink)
bparks23 :::LT500 Rider::: Join Date: Mar 2010 Posts: 1,053	And what about Motoworks? How are their pipes? __________________ 2006 Arctic Cat DVX 400 --UNDER CONSTRUCTION--

02-01-2012, 07:50 PM	#25 (permalink)
bparks23 :::LT500 Rider::: Join Date: Mar 2010 Posts: 1,053	Ok think I'll go with the RS-2. SO now all I'll need is a carbon fiber heat shield to go with it. Anyone?? __________________ 2006 Arctic Cat DVX 400 --UNDER CONSTRUCTION--

02-01-2012, 07:52 PM	#26 (permalink)
biggiej42 :::Official Spammer::: Join Date: Jun 2006 Posts: 3,356	Hehe, I bought the last one on ebay, and she's sitting pretty on my header . __________________ 05' Z434 12.5:1CP,Full Yosh TRC,FCR40,175/45,Rat Stack,Dyna Programmable,AMR Coil,KW Valvetrain,536/540 Web's,DID Tchain,PWR Radiator,Raptor petcock,Gunnar Kill,Elka S3 Front+Rear w/link,Roll+1 Stem,GPR Stabilizer,SL Hyd.Clutch,Tag T2,LSR+3 Arms,Burgard+1 Swinger,Quadtech Rad Shrouds,Supersprox 14/40t,UM Air Box,YFZ Calipers,SS Lines,PA Bumper,Asv's,Roll Nerfs/Heels/Pegs,LSR Axcalibar,Douglas G2 Beadlocks/Razr's,Hid,YFZTail,Pwrmadd's,TT Vapor+Dash,CV4's,RickyStator. July 2011 QOTM

02-01-2012, 08:38 PM	#27 (permalink)
fx4pitrone :::Ozark 250 rider::: Join Date: Apr 2010 Location: CT Posts: 399	I think I'm also gonna look for a Yoshi RS-2... I was torn between the HMF comp. series, but I think I'm going w/ the Yosh.. plus the Yosh tech said I do not need to alter the fuel mapping w/ the full system as long as I keep the airbox lid on..... __________________ 2009 Suzuki LTZ400 EFI-Daily Driver 1989 Suzuki Quadzilla (restoration almost complete!) 1992 Suzuki LT250r (complete restoration, garage queen) 1988 Suzuki LT250r (basement restoration almost complete!) 2009 Suzuki KingQuad 500 Power steering (Plow toy and wifey quad) 2011 Ski-Doo MXZ TNT 600 E-tec (My mistress) 2004 Sea-Doo GTX Wake Ed. (Gets me to different parts on the lake and river to drink beers)

02-01-2012, 08:41 PM	#28 (permalink)
biggiej42 :::Official Spammer::: Join Date: Jun 2006 Posts: 3,356	This is where I got the carbon heat shield from, shoot them a message and see if they have more. eBay My World - leesonsatv __________________ 05' Z434 12.5:1CP,Full Yosh TRC,FCR40,175/45,Rat Stack,Dyna Programmable,AMR Coil,KW Valvetrain,536/540 Web's,DID Tchain,PWR Radiator,Raptor petcock,Gunnar Kill,Elka S3 Front+Rear w/link,Roll+1 Stem,GPR Stabilizer,SL Hyd.Clutch,Tag T2,LSR+3 Arms,Burgard+1 Swinger,Quadtech Rad Shrouds,Supersprox 14/40t,UM Air Box,YFZ Calipers,SS Lines,PA Bumper,Asv's,Roll Nerfs/Heels/Pegs,LSR Axcalibar,Douglas G2 Beadlocks/Razr's,Hid,YFZTail,Pwrmadd's,TT Vapor+Dash,CV4's,RickyStator. July 2011 QOTM

02-01-2012, 09:28 PM	#29 (permalink)
bparks23 :::LT500 Rider::: Join Date: Mar 2010 Posts: 1,053	Will do, I have bought a bunch of stuff from them in the past. If you have a change of heart, sell me yours. __________________ 2006 Arctic Cat DVX 400 --UNDER CONSTRUCTION--

02-01-2012, 09:43 PM	#30 (permalink)
bparks23 :::LT500 Rider::: Join Date: Mar 2010 Posts: 1,053	Sent them a message, we'll see. __________________ 2006 Arctic Cat DVX 400 --UNDER CONSTRUCTION--

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