Received custom downpipe

Discuss the RB20, RB25 and RB26 series engines.
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xjon
Posts: 524
Joined: Thu Sep 05, 2002 4:29 pm
Car: 99XJ, 93 240coupe

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Received it yesterday. It's the one that bolts up to the turbo meaning you get rid of the o2 sensor housing. It's pretty much a 3" pipe all the way back except for the part that bolts to the turbo. Comparing the stock o2 sensor housing and this pipe, "let it flow" comes to mind.

One thing I overlooked, the piping is 3" mandrel bent. Well, the outer diameter is bigger compared to the stock o2 housing. Stock is 2.9" and this DP is 3.1"

I hope it will fit and not hit my steering shaft. I wish I could test fit. Anyone here in So Cal with an rb25det in their 93 s13 is welcomed to give it a try.

I took pics but the image size is too big. Sorry.


Bluefire
Posts: 1130
Joined: Fri Jun 06, 2003 6:07 am

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Where did you get the downpipe and are you using a mount kit or rb x-member. Also is this downpipe a single pipe or is it a dual pipe for the wastegate

-Bluefire

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PROJECTRB240SX
Posts: 3673
Joined: Fri Jun 13, 2003 5:33 pm
Car: 1972 DATSUN 240Z W/ SR20DET

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IS THIS THE UNIQUEAUTO ONE? UNIQUE AUTO HAS TWO TYPES.... THE SCREAMER PIPE ONE AND THE STANDARD HIGH TURBULANCE STRAIGHT PIPE.

sil820
Posts: 236
Joined: Sun Feb 15, 2004 5:50 pm

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u got rid of the o2 housing?? so your o2 sensor is in the dp? how much did it cost?

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xjon
Posts: 524
Joined: Thu Sep 05, 2002 4:29 pm
Car: 99XJ, 93 240coupe

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got it from flying gt international. Look up ebay.au Shipping was expensive $100au and took about a week. Also paid $30 wiring fee and $30au for their bank fee and $170us for the part. All in all, cost me $300. The o2 sensor plugs into the down pipe. Pretty much the same place as the stock.

I will be using the Mckinney mounts with the rb25det. It is one big single pipe but where it bolts to the turbo, it is just formed and welded to the flange.

dekand
Posts: 426
Joined: Tue Sep 30, 2003 10:11 pm
Car: 1995 240sx SE
Contact:

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yeah thats what i want to do, but since i have to get custom fmic piping done anyway, i will try to get the dp made up as well...

you should start a cardomain page or imagestation, id love to see your swap and progress.... you can check the progress of my swap on my page http://www.cardomain.com/id/dekand if you want...

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xjon
Posts: 524
Joined: Thu Sep 05, 2002 4:29 pm
Car: 99XJ, 93 240coupe

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thanks Dekand. I'll look into your page and see if I can start one.

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xjon
Posts: 524
Joined: Thu Sep 05, 2002 4:29 pm
Car: 99XJ, 93 240coupe

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Tried Cardomain but had troubles. Hope this works.



Nope, sorry. I tried to link but no can do.

User avatar
xjon
Posts: 524
Joined: Thu Sep 05, 2002 4:29 pm
Car: 99XJ, 93 240coupe

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dekand
Posts: 426
Joined: Tue Sep 30, 2003 10:11 pm
Car: 1995 240sx SE
Contact:

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yeah that downpipe is nice.

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xjon
Posts: 524
Joined: Thu Sep 05, 2002 4:29 pm
Car: 99XJ, 93 240coupe

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http://www.imagestation.com/album/?id=4287242223

the whole pipe.actually the whole album.


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