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Makotosun

Custom DT 400 b Expansion chamber (group buy).

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Replied by Rodger89515 on topic Custom DT 400 b Expansion chamber (group buy).

I would be interested in a group buy pipe for my '75 DT 400

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07 Feb 2022 18:29 #11

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Replied by akara1 on topic Custom DT 400 b Expansion chamber (group buy).

does anyone know if pipes for 74-76 DT250/360/400 all fit the same?
 
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08 Feb 2022 08:37 #12

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Replied by chuckw on topic Custom DT 400 b Expansion chamber (group buy).

I'd be interested in an expansion chamber for the DT400. I was talking to Jemco about one also.

That's a good looking pipe, AKARA1!
69 DT1, 75 DT400 (2), 86 XT600, 78 Honda XR50, several 70's/80's MX bikes, 2021 Husky FE350
13 Feb 2022 15:18 #13

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Replied by Schu on topic Custom DT 400 b Expansion chamber (group buy).

Well OILCAN, it sounds like you have enough interested parties for a group buy. I have expansion chambers on five of my Enduros right now, and I would be interested as well, but I have concerns with a pipe that is designed to use the stock silencer. That o-ring connection might be a challenge and could be a deal breaker in my mind. I would be interested if it had a straight stinger style outlet where I could attach an aftermarket silencer like the DG steel bolt on silencer. So I am following along with interest in how this plays out.
Schu

CT1B, CT1C, JT1, JT2, DT360A, GT80B, DT100B, DT125B,
DT175B, DT175C, DT250B, DT400B, Z50, SCR950

Someday, you'll own some Yamahas
The following user(s) Liked this Post: nhsteve
Last edit: 14 Feb 2022 14:32 by Schu.
14 Feb 2022 14:28 #14

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Replied by turbodan on topic Custom DT 400 b Expansion chamber (group buy).

The stock muffler is a major restriction. I tried mine out recently just to see if it was at all suitable for a modified engine and expansion pipe. It ran terribly and sounded worse than the modern silencer.
15 Feb 2022 06:33 #15

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Replied by chuckw on topic Custom DT 400 b Expansion chamber (group buy).

Keep us posted, Oilcan. I'm familiar with Aen from my snowmobile days, they made good stuff.

Agree with Schu above, not sure the stock silencer will be a winner with a good pipe. Maybe they can create some flexibility here?

Look forward to seeing how this progresses, thanks for the legwork!
69 DT1, 75 DT400 (2), 86 XT600, 78 Honda XR50, several 70's/80's MX bikes, 2021 Husky FE350
17 Feb 2022 08:35 #16

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Replied by Schu on topic Custom DT 400 b Expansion chamber (group buy).

Ha! 

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I just noticed that OILCANs post was from 2016! 

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hello?
is there anybody in there?
just nod if you can hear me.....
 
Schu

CT1B, CT1C, JT1, JT2, DT360A, GT80B, DT100B, DT125B,
DT175B, DT175C, DT250B, DT400B, Z50, SCR950

Someday, you'll own some Yamahas
17 Feb 2022 17:31 #17

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Replied by adguy2112 on topic Custom DT 400 b Expansion chamber (group buy).

Relax! I need some information first…
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17 Feb 2022 17:47 #18

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Replied by Sneezles61 on topic Custom DT 400 b Expansion chamber (group buy).

Just the basics facts... is it new or old? :)
Sneezles61
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18 Feb 2022 05:37 #19

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Replied by chuckw on topic Custom DT 400 b Expansion chamber (group buy).

Apparently the Aen pipe potential is old and not moving forward.  For those interested, Jemco does make an expansion chamber for the DT400, both twin and single shock models.  Version below for a 78 looks great, but they are pricey.  Patty at Jemco, This email address is being protected from spambots. You need JavaScript enabled to view it.

 

 

One option, but I'm still looking for something a little more cost effective.  
69 DT1, 75 DT400 (2), 86 XT600, 78 Honda XR50, several 70's/80's MX bikes, 2021 Husky FE350
The following user(s) Liked this Post: nhsteve, Pedalcrazy
Last edit: 24 Feb 2022 06:00 by chuckw.
24 Feb 2022 05:59 #20

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