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Old 11-02-2002, 11:11 PM   #1
dman918
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Have a Nice Day? What's going on with Perrin's downpipe

It was supposed to be out a month ago. I am still waiting for a 3" downpipe with a high flow cat in it. Has anything come out yet?
I have a HKS Ti catback so I cannot use the TXS stealth back.
I know MRT makes one but there is the talk that it will not mate up to my catback either. I know Shiv is supposed to have one, but it is still not out (from what I know) and I have heard it will be VERY expensive.
Any advice and help would be appreciated.
BTW, no, I will not go catless and I do not want any custom piping.
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Old 11-03-2002, 01:17 AM   #2
Austin
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Try Alta Sports - www.altasports.net .

The Perrin downpipe is completed. I saw it an event called Taste of Subaru at PIR a couple weeks ago...
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Old 11-03-2002, 02:42 AM   #3
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Old 11-25-2002, 09:06 PM   #4
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and the cat version



THE PERRIN DOWN PIPE WILL ATTACH TO ALL CAT BACK EXHAUST SYSTEMS INCLUDING THE FACTORY EXHAUST SYSTEM.
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Old 11-25-2002, 11:22 PM   #5
Don Arm
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It looks like a very nice piece but I don't see any place for the O2 sensor. Does it have one? Or is this just a prototype pic?
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Old 11-25-2002, 11:25 PM   #6
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There is a place for the the O2 sensor. Its just closer to the end of the downpipe so you can't see it in these pictures. You can see it in the pictures on Perrin's website. I got the catless version of this installed at Alta in Portland last Friday. Its currently hooked up the stock catback so its very quiet but still provides a very noticeable power increase. And it looks darn nice
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Old 11-26-2002, 02:08 AM   #7
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any CEL's?

_Owen_
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Old 11-26-2002, 11:24 AM   #8
Don Arm
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Same question any CEL's ?
Also, how does the wastegate outlet look when mated to the turbo? The inlet into the downpipe looks a little small from the picture, do you think there is a smooth enough transition for the exhaust gases?

Don
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Old 11-26-2002, 12:41 PM   #9
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The stock DP does not have an O2 sensor on it.

Nice peice that Perrin is! Whats it made of 321?
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Old 11-26-2002, 01:15 PM   #10
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Yeah, I threw a CEL about 400 miles after I got the downpipe on. I haven't pulled the code yet but I assume its for cat inefficiency since I don't have any cats . Car is running just fine so I'm not too concerned about it. I'm not sure how big the wastegate tube is but its probably about an inch in diameter. It does look kind of small next to the main pipe but that one is 3 inch diameter the whole way.
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Old 11-26-2002, 07:10 PM   #11
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Yes it's 321, but $600- for a dp w/ cat? That's insanely overpriced.
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Old 11-26-2002, 08:06 PM   #12
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Quote:
Originally posted by 1quikrex
Yes it's 321, but $600- for a dp w/ cat? That's insanely overpriced.
Yeah - even the non-cat version is instanely priced. But Perrin components are well designed and built to last.

_Owen_
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Old 11-26-2002, 10:15 PM   #13
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I got to hold this bad boy in my hand tonight at the weekly BAIC meets and it is very very light. Construction of the downpipe is very impressive. Can't wait to get one in my car .

Clive
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Old 11-27-2002, 12:34 AM   #14
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Quote:
Originally posted by 1quikrex
Yes it's 321, but $600- for a dp w/ cat? That's insanely overpriced.
uhh...vishnu is selling a turboback for $1650
scoobysport runs about $1200
turboxs is about $1100

add in a catback and its all priced the same...you could get one of those crazy titanium catbacks that cost $1000 and it would still cost less than the vishnu sig.

i dont see insanely overpriced
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Old 11-27-2002, 12:40 AM   #15
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I believe this is the only dp made in 321. Looks very good.

Jay.
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Old 11-28-2002, 02:26 PM   #16
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Default Perrid DP mate with Vishnu non-sig series

Wow. That's just what I wanted, a divorced wastegate design that still goes through the cat.

Q: anybody know or can anyone speculate whether the Perrin DP will mate up with the Vishnu non-signature exhaust?

That setup would probably make it very smoggable: under inspection, all flow paths flow through two cats, and the cat in the DP would handle cold startup better.
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Old 11-29-2002, 06:18 PM   #17
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Hard to tell from the pictures if the Vishnu system will swap in with any parts of the stock system. The Perrin system does mate up just fine with the stock cat-back. Thats the setup I have. Oh, and on another note my CEL was gone when I started up the car today and I never got it pulled so I don't know what it was for or why it fixed itself.
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Old 11-29-2002, 08:02 PM   #18
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Quote:
Originally posted by driggity
Oh, and on another note my CEL was gone when I started up the car today and I never got it pulled so I don't know what it was for or why it fixed itself.
As long as you haven't reset the ecu it'll still be there. You're coming for wings tomorrow, right? I'll pull your code there.
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Old 11-30-2002, 01:56 AM   #19
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Default Re: Perrid DP mate with Vishnu non-sig series

Quote:
Originally posted by chazbott
Wow. That's just what I wanted, a divorced wastegate design that still goes through the cat.

Q: anybody know or can anyone speculate whether the Perrin DP will mate up with the Vishnu non-signature exhaust?

That setup would probably make it very smoggable: under inspection, all flow paths flow through two cats, and the cat in the DP would handle cold startup better.
From the looks of the Perrin DP with cat, it would be replacing the OEM DP cat and the OEM mid cat. If we are talking about a visual inspection, a well-informed tech looking for 3 kitties would only find 2 (at most).
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Old 11-30-2002, 02:12 AM   #20
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Quote:
Originally posted by driggity
Hard to tell from the pictures if the Vishnu system will swap in with any parts of the stock system. The Perrin system does mate up just fine with the stock cat-back. Thats the setup I have. Oh, and on another note my CEL was gone when I started up the car today and I never got it pulled so I don't know what it was for or why it fixed itself.
it sounds like an ineffecient cat code, its basically a BS code and it turns it self off after 2 or 3 driving cycles
its usually caused by driving before the cat is warmed up
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Old 11-30-2002, 09:47 AM   #21
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The total leingth & bung for the second O2 sensor would indicate that it totally eliminates the 3rd cat...
I was hoping for something similar to the Bosal pipe so I can swap the 3rd cat in & out if I wanted...
At over $550 w/cat I'ld have to think hard about it...
A Bosal costs $270, and a 3rd cat eliminator $160ish total $430 with enough flexibility to configure however I want...
I haven't seen a Bosal pipe first hand, but have heard the fit is good & construction solid.

?What is the pipe diameter of the Perrin pipe? The ony thing I can find is "larger than the stock DP."

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Old 11-30-2002, 11:58 AM   #22
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its full 3inch and full 321 stainless, only one on the market.
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Old 11-30-2002, 12:16 PM   #23
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I'm going to wait until it is a little less than $600. The vendors will sell it at less after the initial boom. I know Nino had 10% off the first batch, and I would have considered that, but I need money from XMas, my birthday and graduation for the toys I will be buying.
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Old 11-30-2002, 01:11 PM   #24
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I have a Perrin uppipe. Excellent product. I am running a cat'd Stromung now. I would love to have the Perrin downpipe but $600 is hefty. It would be nice rid myself of the sound of the wastegate smacking the flange though.
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Old 12-01-2002, 02:51 AM   #25
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Wastegate smaking against the flange? I have catless Stromung DP and have no such issues. Are you sure it's hitting the flange, because IIRC it's nearly impossible for that to happen because I think it is too far away from it, and IIRC the flap is recessed in the turbo.

The Perrin peice looks nice though, I like it's design, but if I could buy a DP again I would prob. buy the Bosal DP now, better price, divorced wastegate, except the gases are seperated until nearly the end of the pipe unlike the Perrin where the gases are mixed immediatly following the first bend. I doubt that will affect per. though.

Paul
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