 Scooby Exhaust?, How has everyone tackled this? |
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| mrdezyne |
 Jan 5 2006, 04:54 PM
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#1
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Now on larger rolling jack stands!  Group: Members Posts: 468 Joined: 31-July 05 From: Tulsa, OK Member No.: 4,510  |
Subaru conversion peeps! What type of exhaust are you running and how do you have it plumbed? I've read of using 2.5" tubing, is that right?
What I have imagined is using the Borla header to 2.5" tubing, into a SpinTech muffler (or similar) and then a center exit tip looking something like the Boxster. Any pics would be appreciated! |
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| Porcharu |
Jan 5 2006, 05:58 PM
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#2
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Senior Member Group: Members Posts: 1,314 Joined: 27-January 05 From: Campbell, CA Member No.: 3,518 Region Association: Northern California |
I was thinking something like this (IMG:http://cobbtuning.com/impreza/images/na-header1-pr.jpg)
followed by a cat (after tuning is complete) a muffler pretty much in the stock 914 location with the tailpipe exiting in the stock location. I have a feeling that the Suby headers are going to hang to low on the 914 and will have to extensively modified or made from scratch. |
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| lapuwali |
Jan 5 2006, 06:08 PM
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#3
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Not another one! Group: Benefactors Posts: 4,526 Joined: 1-March 04 From: San Mateo, CA Member No.: 1,743  |
Fiid is apparently out of town, but his turbo Soob 914 uses all stock Soob plumbing until the turbo. After the turbo, he added a WRX downpipe and welded on a giant fart can. It's quiet enough (the turbo helps a great deal). There's a photo here on the site somewhere, under a breakfast thread. Much of the rear trunk has been cut out of his car, so he had quite a bit of leeway on how to plumb the thing.
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| ChrisFoley |
Jan 5 2006, 06:11 PM
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#4
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I am Tangerine Racing Group: Members Posts: 7,921 Joined: 29-January 03 From: Bolton, CT Member No.: 209 Region Association: None 
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If someone wants to give me a gutted suby engine attached to a transaxle I can work on a Tangerine Header designed for the application. (IMG:http://www.914world.com/bbs2/html/emoticons/smile.gif)
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| TonyAKAVW |
Jan 5 2006, 06:27 PM
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#5
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That's my ride. Group: Members Posts: 2,151 Joined: 17-January 03 From: Redondo Beach, CA Member No.: 166 Region Association: None |
I have JUST that sitting in my garage. Sadly I'm 3000 miles away and I'm just doing a 2.5 NA engine. Anyway, the way I'm going to do my exhaust is buy a set of these from Outback Motors, have a pair of straight tubes (2.5 inch) to the back, curve around into a dual-in muffler and then come out into one exhaust tip. Seems like the simplest way to go... BTW, those primary tubes are $150 for a pair. -Tony Attached image(s) 
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| mrdezyne |
Jan 6 2006, 10:23 AM
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#6
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Now on larger rolling jack stands! Group: Members Posts: 468 Joined: 31-July 05 From: Tulsa, OK Member No.: 4,510 |
Srbliss, I think you are correct about the header hanging too far down now that I take a look at it. And I don't have to worry about the cat here in OK, no emissions regs (cough cough).
Tony, those primaries look like the cats meow! Fairly tight turn back so they don't hang too low, I like! Now I'm thinking about running a muffler on each side and then coming together in the middle for my center exhaust. (IMG:http://www.914world.com/bbs2/html/emoticons/idea.gif) I'll try to find Fiid's photo. I'd like to keep the trunk intact if at all possible though. Brings up another question though. That whole back pressure thing, free flow is the way to go right? |
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| Crazyhippy |
Jan 6 2006, 12:07 PM
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#7
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Insert witty comment here... Group: Members Posts: 1,659 Joined: 28-July 05 From: Home of the Coyotes, AZ Member No.: 4,493 Region Association: None |
Fiid's car is a turbo car... completely different exhaust than the NA cars.
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| VaccaRabite |
Jan 6 2006, 12:31 PM
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#8
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En Garde! Group: Admin Posts: 13,437 Joined: 15-December 03 From: Dallastown, PA Member No.: 1,435 Region Association: MidAtlantic Region |
If you are running the scoob turbo, yeah keep it flowing as free as it can be. In fact, do the same if you are running NA too. Zach |
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| Porcharu |
Jan 7 2006, 12:29 AM
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#9
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Senior Member Group: Members Posts: 1,314 Joined: 27-January 05 From: Campbell, CA Member No.: 3,518 Region Association: Northern California |
I don't have to worry about smog either, but cats (not kittys) make great resonators and really don't hurt anything. |
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| Porcharu |
Jan 7 2006, 12:31 AM
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#10
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Senior Member Group: Members Posts: 1,314 Joined: 27-January 05 From: Campbell, CA Member No.: 3,518 Region Association: Northern California |
To bad you are about as far away as possible - I'd have the engine and trans over to you tomarrow if you were nearby. |
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