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09-19-2004, 03:11 AM | #26 |
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Cant find from searching: How come all these FAQs and guides explain TBEs and Axlebacks and DP's and UP's and everything but I can't find why intake manifolds aren't as common bolting on as TBEs... Is there not a big power increase? Kastle Korner is having a sale on Borla Headers and to me it seems like a good deal but i don't know what to expect if I had one in my car...I have stock WRX.....performance or waste of money?
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09-19-2004, 06:52 AM | #27 |
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intake manifold is not header (often known as exhaust manifold). Stock intake manifold flows fine if you dont' have any major work done.
Psss....it's HEADER (singular) not headers. Even the magazines get it wrong sometimes. |
10-12-2004, 06:09 PM | #28 |
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Last edited by cky211; 12-18-2004 at 07:45 AM. |
11-03-2004, 08:28 PM | #29 |
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just how quite is the sti performance muffler? is it the same as the greddy evo2 and the other ones that is mentioned in that list?
thanks |
11-03-2004, 09:28 PM | #30 |
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Just for the sake of clarity, you might want to point out in the title or in the first couple lines that this is for turbo'd Subarus only. Better yet, do another one for NA cars! Great work as usual, all the FAQs were my first readings on this forum.
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12-24-2004, 12:40 PM | #31 |
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Hey Unabomber: You can probably pull some good info from here to help out the FAQ on exhausts:
http://www.turbomagazine.com/tech/0212tur_exhaust/ |
12-24-2004, 01:12 PM | #32 |
Big Ron
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Already did that for my exhaust dB testing which is linked inside the exhaust FAQ.
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01-07-2005, 03:35 PM | #33 |
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Fabulous post. Thank you!
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01-08-2005, 12:29 AM | #34 |
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unabomber - i've read quite a few of you faq posts, thank you for taking the time to help us out with the info...
but i think this post should have an extra note about how an engine would run lean or rich with an exhaust mod (especially TBE & uppipe), and that some engine management like a dynotune or cobb's AP would help the ECU to take full advantage of the mod. Example: a TBE gives you 20 hp, engine management can easily double it with a new map adjusting boost and fuel to air levels |
03-31-2005, 03:34 PM | #35 |
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FYI:
There are two types of catbacks. Type 1: It has a sliding flange designed to bolt up to the stock downpipe. Type 2: It has a flat flange designed to bolt up to 3" downpipes. There are two types of downpipes. Type 1: It is designed to bolt up to the stock catback and other type 1 catbacks. Type 2: It is designed to bolt up to only type 2 downpipes. Type 1 catbacks do not bolt up well to type 2 downpipes, and type 2 catbacks do not bolt up well to type 1 downpipes. Type 1 catbacks and downpipes taper to 2.5" where they meet. Type 2 catbacks and downpipes are full 3". Type 2 downpipes are usually less expensive than type 1 downpipes. Type 1 and 2 catbacks are relatively similar in price. Type 1 downpipes include Perrin, Cobb, PDE, and Daddy's. Type 2 downpipes include Invidia, Injen, HKS, and Helix There are too many catbacks to list. All 2.5" catbacks are type 1. Some 3" catbacks are type 1, and some are type 2. |
04-06-2005, 06:28 PM | #36 |
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Unabomber,
Wasn't there a link to Mattr762's Mattspec exhaust in this FAQ at one point? Any particular reason why it's been removed? |
04-07-2005, 04:40 PM | #37 |
Big Ron
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Nate, thanks for the info, when I have the time, I'll probably incorporate it into the main post.
Tanj!, no I never had a link to the MattSpec exhaust, but I'll probaby put it in there with my next update to this post. |
07-12-2005, 10:12 PM | #38 |
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any comments on a injen ses 1200 exhaust? i am lookin into buying one but would like some insigh?!?! thanks alot.....btw unabomber your the man
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07-23-2005, 03:34 AM | #39 |
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Any testing for exhaust for late model RS's?
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08-02-2005, 12:53 AM | #40 |
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The links in the FAQ's to TurboXS instructions are dead.
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08-10-2005, 01:58 AM | #41 |
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This may seem like a silly question, but I'm a Saabaru noobie so I don't know any better.
Is there any difference in length between the 4dr/sedan exhaust and the wagon exhaust? I don't want to order an exhaust and 'come up short'. |
08-10-2005, 02:05 AM | #42 |
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I don't believe so no. I've never seen the two seperate exhausts advertised. Actually, I know people have put the STi exhaust on their Saabarus without incident. So you should be fine.
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10-12-2005, 04:21 PM | #43 |
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One item that might be useful for this post is also STEALTH! Today, specially here in SoCal in Ontario or City of Industry, the cops now have carte blanche to stop any tricked out looking rice car! There is a big problem with illegal street racing, and way too many innocent deaths. So that area just plain don't want any trick cars in their area, no matter if you do that racing or are just going there to shop at Ontario Mills Mall - they don't want you there PERIOD. I am 50 years old now, and they busted ME about 2 years ago when in my WRX with a Supertrapp on the end of it (and the discs on to keep it quiet).
So, you might want to forget the huge coffee can style of tips on your rear exhaust, and try for a more stock look (COBB, Stromung, Borla, etc) that is not too loud so as to avoid the month long hassles of going to court, going to a sound test, going to court, yada yada yada . . . . . because they ARE NOW LOOKING AT YOU. Just a piece of advice for you younger guys. Because they ARE PROFILING!!!! And funny, when the cop stopped me, and came to the drivers window, and saw that I was OLDER THAN HIM, and a Cauc, he gave me an even harder time! Kept me waiting for almost 45 minutes while trying hard to find any dirt on me over the radio. My GF (who is Filipino and 40) was totally shocked at his attitude! |
10-12-2005, 04:26 PM | #44 | |
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Damn dude, I'd move. I love my exhaust and window tint.
Quote:
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10-13-2005, 06:33 PM | #45 |
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Hah. That's not really an option. One thing that was always high on my list was stealth. I'd cruise the canyons alot when I lived there, and I'd always try to keep a low profile. What I recommend is a stealth back bolted up to the stock muffler. It's what I have and it is very very quiet. No one would ever suspect I have any modifications other than the increased turbo noise. I'm also planning on installing a cutout for race days to keep the temps down. With the stock muffler you're gonna have trouble with exhaust temps getting too high. I had a friend go through several wide band O2's during tuning because of a restrictive muffler.
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10-13-2005, 07:08 PM | #46 | |
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Quote:
Depends on your wants and needs. Everyone likes what they like. |
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10-13-2005, 08:13 PM | #47 | |
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10-13-2005, 08:31 PM | #48 | |
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Quote:
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10-18-2005, 01:54 PM | #49 |
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3CE question...
Sorry if this has been addressed before, but I'm not finding it over the last few days of searches over various message boards:
Are there any advantages to using a 3CE (third cat eliminator) or race pipe on a stock WRX exhaust (with the exception of a catless uppipe and STI axleback), leaving the factory downpipe in place? Other motor mods are: Vishnu underdrive pulley and Vishnu IC pipes. What sort of gains will be noticed from this (if any)? Better throttle response? Better top end? Any increased noise? What about with factory heatshields (or other heatshields) covering it? I am not interested in an aftermarket exhaust system. I was thinking about getting the JDM v7 STI factory turboback exhaust, but thinking this may be a less expensive alternative to it. Essentially just trying to free up some restriction while keeping it quiet, factory looking, and minimizing pollutants. Thanks in advance! |
03-20-2006, 10:01 AM | #50 |
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WRX '02-'04 stock muffler:
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