Author Topic: Anyone ever seen or heard of these 2 into 1 pipes?  (Read 835 times)

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Offline rd400canuck

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Anyone ever seen or heard of these 2 into 1 pipes?
« on: November 21, 2020, 09:42:37 AM »
Happened to come across this site that offers a stubby looking 2 into 1 system further down the page. Anyone ever heard of K2 Tec?

http://www.moto-works.jp/k2tec/rd400.html

Offline m in sc

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Re: Anyone ever seen or heard of these 2 into 1 pipes?
« Reply #1 on: November 21, 2020, 11:07:45 AM »
k2 is very popular among the triple guys.

Offline rodneya

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Re: Anyone ever seen or heard of these 2 into 1 pipes?
« Reply #2 on: November 21, 2020, 11:57:52 AM »
Ive never seen a 2 into 1 with such long headers before.
Dynaport 2 onto 1 pipes on water cooled Yamaha twins sound pretty cool, kinda like a NASCAR but you loose a lot at high RPM.

I like the raw pipes further up the page, and the price is great with free worldwide shipping. The fact that they mention no jetting changes for street use  required is a bit strange though.

Offline pdxjim

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Re: Anyone ever seen or heard of these 2 into 1 pipes?
« Reply #3 on: November 21, 2020, 03:39:45 PM »
I had a set of K2tec pipes on my KH400.

Price, fit, quality, etc was all very good.  Shipping from webike.co.jp was lightning quick.

Can't comment on performance, but I wouldn't expect it to be stellar with the constant diameter headpipes.

The two-into-one, and three-into-one pipes are mainly aimed at the Japanese riders who are more concerned with sound than performance.  They have evolved stationary revving into an artform, and these 2:1 pipes are perfect for this application.

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Offline Czakky

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Re: Anyone ever seen or heard of these 2 into 1 pipes?
« Reply #4 on: November 22, 2020, 12:22:55 PM »
 :eek:

Offline 85RZwade

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Re: Anyone ever seen or heard of these 2 into 1 pipes?
« Reply #5 on: November 22, 2020, 12:52:17 PM »
That 2:1 reminds me of the Kerker I had on my '79 CB750F in high school, but it looks out of place on a two-stroke to me, so I'm glad Jim included the cultural perspective. The constant-diameter header pipes also jump out at me. I thought at first they were a cost-cutting measure, but maybe they're suited to the revving practice as well...? I love the looks of their other pipes, with tapered header pipes and sweet welds and long stingers! Always good to see another alternative in chambers out there.
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Offline Jspooner

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Re: Anyone ever seen or heard of these 2 into 1 pipes?
« Reply #6 on: November 22, 2020, 07:53:37 PM »
I don’t get the silly seat and fairings.  :help:
“Just quit brain fucking it and get it done”

Offline Dvsrd

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Re: Anyone ever seen or heard of these 2 into 1 pipes?
« Reply #7 on: November 22, 2020, 10:06:44 PM »
I don’t get the silly seat and fairings.  :help:
The fairings are mostly roadracing or endurance style, so not bad at all, actually. They just mount them  in a silly way. But don't get me started on the seats......

Offline pdxjim

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Re: Anyone ever seen or heard of these 2 into 1 pipes?
« Reply #8 on: November 23, 2020, 12:48:19 AM »
I absolutely love this style.

These guys are not afraid.
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Offline rd400canuck

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Re: Anyone ever seen or heard of these 2 into 1 pipes?
« Reply #9 on: November 23, 2020, 05:05:58 AM »
I watched the revving video.... it got old real fast  :whistle:

The bike styles are kinda interesting. I'll stay away from 2-1 pipes!

Offline pidjones

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Re: Anyone ever seen or heard of these 2 into 1 pipes?
« Reply #10 on: November 23, 2020, 07:03:55 AM »
Add some Harley ape-hangers that they can't reach and a huge front wheel. The fad would start in Southern California and sweep the nation if a big-name builder did it.
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Offline rd400canuck

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Re: Anyone ever seen or heard of these 2 into 1 pipes?
« Reply #11 on: November 24, 2020, 09:48:16 AM »
tbh i dont mind those $450 ones... just not a fan of the crossover header pipes but the price is descent enough

Offline Dvsrd

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Re: Anyone ever seen or heard of these 2 into 1 pipes?
« Reply #12 on: November 24, 2020, 04:48:34 PM »
tbh i dont mind those $450 ones... just not a fan of the crossover header pipes but the price is descent enough
That crossover design was also used on the later TZ350 models. FIM regulations prohibited exhaust systems that projected past the rear wheel. So the cross over allowed a slightly longer pipe within that limitation. I guess some of us do not like long pipes just due to aesthetics, and the crossover is a fix for that.

Offline teazer

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Re: Anyone ever seen or heard of these 2 into 1 pipes?
« Reply #13 on: November 24, 2020, 04:49:12 PM »
I really like crossover pipes.  Their RD crossovers appear to be styled after late model TZ350 pipes which crossed over.

Offline rd400canuck

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Re: Anyone ever seen or heard of these 2 into 1 pipes?
« Reply #14 on: November 25, 2020, 09:13:44 AM »
they are defo cool looking... j ust something about two header pipes coming straight out and down that pleases my eyes. I love crossed headers on RZ's for some reason but I have no idea why on one bike and not the other!