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Main : Mechanical : Engine A12-A14-A15 performance exhaust manifold

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A12-A14-A15 performance exhaust manifold
A12-A14-A15 performance exhaust manifoldPopular
SubmitterRICLAGEMore Photos from RICLAGE   Last Update2002/10/1 8:57    Tell a friendTell a friend
Hits21440  Comments15    8.50008.50 (2 votes)
Posted by RICLAGE

I think that i have taken this photo from the Datrats.com site, if I am in error please excuse me.

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The comments are owned by the poster. We aren't responsible for their content.

Poster Thread
Niscoupe
Posted: 2002/10/1 11:22  Updated: 2002/10/1 11:22
Just can't stay away
Joined: 2002/8/14
From: Wanganui, New Zealand
Posts: 95
 Re: A12-A14-A15 performance exhaust manifold
Coby Manufacturing in Hamilton, NZ make 2 sets of different extractors to fit the A series motors. They are very reasonably priced and work very well.
Regarding a coating that keeps headers looking good, go to "Pro Coat" or HPC ceramic coatings. They come in a range of glossy colours which does stay on and because it is a ceramic heat barrier coating it keeps the under bonnet temperature down.

Poster Thread
stirlingmac
Posted: 2002/10/2 6:51  Updated: 2002/10/2 6:51
Home away from home
Joined: 2000/5/6
From: Wellington New Zealand
Posts: 962
 Re: A12-A14-A15 performance exhaust manifold
Hey Bob you'll be pleased to know I've sent a few sets of Coby's to Japan an even a set to the States. The problem is they don't fit a L H drive set up. The extractors in the pic appear to have short primarys compared to the Coby as well..

Poster Thread
shoom
Posted: 2002/10/2 10:49  Updated: 2002/10/2 10:49
Home away from home
Joined: 2002/8/19
From: Perth, West Aussie
Posts: 324
 Re: A12-A14-A15 performance exhaust manifold
wow those jap extractors look the biz.
I bet it would cost what the same as getting a race engine built locally to import.
btw do kiwis call resonators cobys? we call them hotdogs ;)

Poster Thread
RICLAGE
Posted: 2002/10/2 11:07  Updated: 2002/10/2 11:07
Home away from home
Joined: 2002/7/25
From: LISBOA, PORTUGAL
Posts: 209
 Re: A12-A14-A15 performance exhaust manifold
Hello

Mimetize is cool.

I have been around yokohama and acording to my calculations the header costs something like US$476. That is f*****g expensive.

I think i can "mimetize", reverse-engineer, imitate or copy the thing for less than US$50, around here, including the complete tail pipe.

This yokohama snake nest looks great. Thank you david.

Ricardo

Poster Thread
Niscoupe
Posted: 2002/10/3 10:43  Updated: 2002/10/3 10:43
Just can't stay away
Joined: 2002/8/14
From: Wanganui, New Zealand
Posts: 95
 Re: A12-A14-A15 performance exhaust manifold
Coby is a brand name. Coby Manufacturing is a factory situated in Hamilton, NZ that specialises in manufacturing performance mufflers, extractors and big bore systems. Their stuff is very well priced and of a very high standard. For 1200's they have 2 extractors, one designed to fit a standard carb setup and the other more designed for use with twin sidedraft carbs for more top end performance with bigger primary pipes.

Poster Thread
Quinn
Posted: 2003/1/7 23:52  Updated: 2003/1/7 23:52
Home away from home
Joined: 2002/10/7
From: Auckland N.Z
Posts: 824
 Re: A12-A14-A15 performance exhaust manifold
hey niscoupe do you have a price on the second set for the twin sidy set up? im prety keen to find out.
cheers

Poster Thread
datto_dave
Posted: 2003/2/20 9:16  Updated: 2003/2/20 9:16
Home away from home
Joined: 2002/9/9
From: Toowoomba, australia
Posts: 212
 Re: A12-A14-A15 performance exhaust manifold
i am picking some extractors up this weekend for my 1200 they r 4-2-1 and by the way i don't have to pay for them
DAVE

Poster Thread
flyby
Posted: 2003/2/20 11:19  Updated: 2003/2/20 11:19
Home away from home
Joined: 2002/3/22
From: Western Sydney
Posts: 362
 Re: A12-A14-A15 performance exhaust manifold
I have the same for sale:
http://datsun1200.com/modules/newbb/viewtopic.php?topic_id=7118&forum=2&1

Poster Thread
sideways1
Posted: 2010/9/2 16:54  Updated: 2010/9/2 16:54
Quite a regular
Joined: 2010/8/7
From:
Posts: 44
 Re: A12-A14-A15 performance exhaust manifold
Hi im in the uk , and trying to find a 4 branch with the longer primaries do you have any numbers as coby doesnt come up in my search... many thanks Paul

Poster Thread
mr_nismo4
Posted: 2010/9/2 22:29  Updated: 2010/9/2 22:29
Home away from home
Joined: 2000/3/8
From: Tassie, Australia
Posts: 424
 Re: A12-A14-A15 performance exhaust manifold
If you are after a set that are like the ones in the photo, try www.hurricaneheaders.com.au Thats where I got mine from.

Poster Thread
RICLAGE
Posted: 2002/10/1 9:04  Updated: 2002/10/1 9:04
Home away from home
Joined: 2002/7/25
From: LISBOA, PORTUGAL
Posts: 209
 Re: A12-A14-A15 performance exhaust manifold
Hello everyone

I remember that I saw this exhaust manifold around the internet and that it was quite cheap ( less than US$100). However, since i am on another continent and probably I was going to pay more for the transport than for the part itself I am going to mimetize it (I am sorry) and fit it in my car.

We are going to do it in 304 grade stainless steel and the exit of it is going to have a diameter of two inches. In the last weekend i have been painting my cars botom and I have been planing it. I get a HONDA CBR 900 RR Mufler and I am going to replace all the exhaust from the headers to the tail pipe. It is going to be stainless all the way. I think it will be great.

Ricardo

Poster Thread
shoom
Posted: 2002/10/1 10:59  Updated: 2002/10/1 10:59
Home away from home
Joined: 2002/8/19
From: Perth, West Aussie
Posts: 324
 Re: A12-A14-A15 performance exhaust manifold
that looks very similar to the headers on my car (a 1000) I think It may have been done custom but I am not sure. the outlet just clears the steering arm.
have a look on my hastilly constructed website : http://www.geocities.com/datsunb10/

btw what sort of coating / treatment have they had? I would like to do something on mine as the 'manifold' paint as they put it inevitably flakes off.

Poster Thread
RICLAGE
Posted: 2002/10/1 11:03  Updated: 2002/10/1 11:03
Home away from home
Joined: 2002/7/25
From: LISBOA, PORTUGAL
Posts: 209
 Re: A12-A14-A15 performance exhaust manifold
Yes they do look similar. I had a b10 some years ago and it is a hell of a car. It is very quick even with the A10 engine. When i bought the A12 - B310 i noticed only a slight diference.

Ricardo

(edited)

Regarding the coating I didn't know what they use. However since I am going to use stainless I am not quite upset with that.

Poster Thread
ddgonzal
Posted: 2002/10/2 5:49  Updated: 2002/10/2 5:49
Moderator
Joined: 2001/5/3
From: 48 North
Posts: 31575
 Re: A12-A14-A15 performance exhaust manifold
For another type of header, see the equal-length design at South Yokohama.

Mimetize is an interesting word, but not common. To copy the design you might say imitate, replicate or duplicate. Or "reverse-engineer".

Poster Thread
DatA15
Posted: 2004/1/7 10:44  Updated: 2004/1/7 10:44
Home away from home
Joined: 2003/9/25
From: Adelaide
Posts: 594
 Re: A12-A14-A15 performance exhaust manifold
those extractors are swell as mate...