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Old 07-19-2002, 11:15 PM   #1
subarud
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Thumbs up stromung 3rd cat eliminator

I received the stromung 3rd cat eliminator about a month ago and just yesterday had the time to install it (thank god for a extra day off during the week).

I got it from nhluhr (private sale) and everything went very smooth. Install took about 2 hours (should really only take 30 minutes - My friend and I took some breaks and shot some hoops)...

Install was easy; make sure you have a jack and jack stands. You will also need a socket wrench (a breaker bar adapter helps also), some WD40 for seized bolts, and a little patience.

The fitment was excellent, there was no sealing problems whatsoever. Make sure you reuse the original gaskets (one flat, one conic in shape). Quality is fine, welds are clean, flanges are smooth, etc, but it doesn't look like a Vishnu Pipe. Who cares...It's not like you look at it everyday.

Performance...Well turbo spools up a little bit faster but where I really noticed this mod is the top end. It just pulls a little harder for a little longer . The stromung 3rd cat eliminator sounds FOCKIN savage combined with vishnu uppipe, stock downpipe, stock resonator, and a hacked (straight pipe muffler). It backfires quite often (although I haven't shot any flames) and today one guy asked me if I had an inline six under the hood and another asked if it was a v8

I don't know if it is causing a CEL because my ECU is retarded and thinks I have a misfire so the Check Engine Light is already illuminated.


~Evan
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Old 11-15-2002, 02:53 AM   #2
mklier1218
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I have had the third cat eliminator for just about a week. No CEL's. I have noticed more pull at high RPMs. Sound is outstanding. I put a Stromung dual tip on at the same time. Both outstanding products
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Old 11-15-2002, 09:09 AM   #3
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I have a similar setup to Subarud, except that I have the stock muffler. I agree with his performance comments, but I haven't gotten any CEL's and with the stock muffler, it is nearly stock quiet. Just a little more burble at idle.

Rich
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Old 11-15-2002, 02:22 PM   #4
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hi i was thinking of a similar setup. i want the stromung dual-tip and either the catless downpipe or the 3rd cat eliminator. only one or the other because i want to keep at least one cat on. which do you think would produce the best gains? also, i'm worried about sound. i want some sound, but don't really want to draw attention from the cops because they get pretty fix-it ticket happy out here. please let me know what you guys think! thanx.

hong
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Old 11-16-2002, 05:52 PM   #5
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I was under the impression that the resonator and the 3rd cat were in the same pipe, is that not so? I had wanted to get rid of both of them and keep the stock muffler for now.
Jay
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Old 11-16-2002, 08:22 PM   #6
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Quote:
Originally posted by jagwoods
I was under the impression that the resonator and the 3rd cat were in the same pipe, is that not so?
The resonator and 3rd cat are not in the same pipe.
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Old 11-19-2002, 11:41 AM   #7
speedbuggy67
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I bought the stromung dual tip muffler a year ago and now the third cat eliminator, the best fitting scooby parts on the market. If your thinking about getting it do it. It gives a better ruble, fits awesome, spools better, and there is no downside to this part. Quality is perfect. I would like to see some numbers on the stromung downpipe especially compared to the more expensive scoobysport as the stomung is around 200 and scoobysport is more than 150 more. I must say quality is #1 and NO RUST on any part and i live in salt riden NJ.

Scott
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Old 11-23-2002, 01:07 PM   #8
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Did you guys have problems with the mounting bracket not lining up with the stock mounting point? Mine does not so the pipe is only attached at the ends.
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Old 11-24-2002, 03:32 AM   #9
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you're talking about the hook-like bracket right? I say attach it to the bracket first, then do the ends. I didn't have any fitment issues.
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Old 11-24-2002, 07:42 PM   #10
Barry
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No fitment issues here either.
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Old 12-09-2002, 03:03 AM   #11
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Default question

i really want to get the third cat eliminator because you guys just keep on raving on how good it sounds and i want that, but i have two really quick questions and please pm me the answers if anyone has them

1. i have a turbo xs 4" downpipe custom fitted to my stock cat, exactly what part of the midpipe holding the cat does this part replace? just the cat alone or the whole uppipe assemble as well?

2. where can i get one and how much do they cost?

thank you
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Old 12-09-2002, 05:17 AM   #12
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Default questions

5zigenwrx~

I am a little confused by your first question. The stock wrx exhaust system is like this: headers -> uppipe-> turbo -> downpipe -> 3rd cat section -> resonator -> muffler/axle back. Since you have the txs dp mated to the stock 3rd cat section, the stromung piece should easily bolt on and get rid of that last cat in your system (Thats all it does -gets rid of the catalyst). It in no way affects the uppipe section . Then your catback section should bolt right up.

2. I don't really know where you can get one however. (try ninos -I think they sell stromung), But I remember them being around 160 bucks?
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Old 12-10-2002, 02:22 AM   #13
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Default thanks

i meant where does the cat elimator bolt on to? but you totally answered my question thouroughly and thank you for that, i talked with one of my buddies over at South Coast Subaru here in Cali, and he said that with a catless up pipe and a cat less downpipe if i were to put on the third cat eliminator my car would sound a lot louder and a little more "poppie" umm i was also wondering what this peice looks like for example if i were to get pulled over for an exhaust ticket and the cop were to look under my car for a cat does this peice look like there is a cat there or is it just a straight pipe? and also what size is the piping? thanks againg for all your help guys.
p.s
i also heard from the dealership that if i removed all my cats with the mods i already have on the car then it is very likely my car would shoot fire when i shifted, does anyone know if this is true?
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Old 12-10-2002, 02:33 AM   #14
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It's a straight pipe, you're screwed if you get pulled over for it. There's no hiding it, it definitely looks catless.
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Old 12-10-2002, 03:51 AM   #15
subarud
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Default last questions

Yes, the pipe is straight and it would definitely look suspicious if a cop pulled you over and totally peered underneath your car. The solution to going catless (And not wanting to be hassled by the cops, neighbors, etc) is to get a quiet axleback/catback. The exhaust will be "Poppier" with the cats removed. Shooting flames only occurs with people who have cats removed, run unrestrictive mufflers, have atmospheric bov's, and hit the rev limiter , and even then it is not a given that you will shoot flames.

hope that answers some of your questions

~Evan
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Old 12-11-2002, 02:21 AM   #16
5zigenwrx
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Talking cool

thanks for all your help guys but i was also wondering what size the piping is and how much does that part cost/where can i pick it up... sorry for all the questions but i am really interested, thanks again.
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Old 12-11-2002, 03:27 AM   #17
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2.5" piping, I'm not sure if that's ID or OD, whatever it is, it's bigger than the stock pipe diameter. Go to www.spdusa.com for more info. I got mine from them for 156 plus shipping.
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Old 12-23-2002, 02:12 AM   #18
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Is there any kind of a probe in the stock 3rd cat to move or remove?
Jay
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Old 12-23-2002, 04:22 AM   #19
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Quote:
Originally posted by jagwoods
Is there any kind of a probe in the stock 3rd cat to move or remove?
Jay
Is a skeleton's butt boney? Look under your car for cryin' out loud. It's there plain as day, a rear 02 sensor.
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Old 12-31-2002, 02:01 AM   #20
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I added the 3rd cat eliim pipe just two days after the dual tip and noticed a significant change in power and acceleration at the lower RPM's where the stock system kinda laged. Nice addition
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Old 12-31-2002, 01:03 PM   #21
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Default smoothness

well, after some input from my primary passenger i began to notice that the engine note lost its sweetness after about 6250 rpm, so i changed my shifting from almost 7k rpm to 6k rpm. Has anyone noticed this change in tone in the last 1k rpm ?

Will the 3rd cat eliminator alter this / make it sweeter?

thanks
paul

edit: i already have a stromung muffler
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Old 01-01-2003, 02:56 AM   #22
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I went out and drove mine at those higher RPMS just to see what you were talking about. I usually dont get on the border of redline. I did not notice a lag in power though. The car with both the 3rd cat eliim and muffler has a whole new personality!!
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Old 01-01-2003, 03:20 AM   #23
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hmm... sounds like i have to get one of these 3rd cat elim things!

that & a degutted up-pipe. Into the 2003 car budget
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Old 02-15-2003, 11:28 PM   #24
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Just put this piece on.
Car is completely stock except for this piece and a stromung ss single-tip axle-back.

Here is a copy & past from my review on the NESIC forum:

After getting on the highway with my midpipe i'm a lot happier, there is quite a bit of a difference. The car's louder for one (whoopee!!), accelerates harder (according to my primary passenger), and the best part (for me anyway) is that its much sweeter than it used to be in the 6-7k rpm range, where it previously used to feel quite strained. The engine revs free-er, and the engine blips with more gusto (alot more!) than before.

I'm very pleased now
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Old 02-18-2003, 01:46 AM   #25
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Question

do you guys think the 3rd cat eliminator will make my car loud? i already have a tanabe racing super medalion. and right now its pretty loud. i want my car louder

would i still pass emissions with the pipe on? and are CELs a problem? thanks!
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