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Old 05-09-2000, 08:09 PM   #1
EddyRS
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93 RS-W Wagon (White) RIP

Question Muffler Choices???

Hi guys,

I'm looking to get a new exhast system for my 2000RS. I will probably go with the Borla Headers.....and 2.25" Stainless piping. Not sure on replacing the Cats thou.

Question is....what is the best muffler setup?

I am looking at either a Borla Univeral or a Dynamax system. I have also looked at the Stromung and the Apex. Which is best....or for a better question...."What are the advantages of each?"

Your advice is appriciated.

Thanks

Eddy L.
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Old 05-09-2000, 08:13 PM   #2
wolve80
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check out the rallispec www.rallispec.com it seems to be REALLY nice, sounds great (I have a sound clip) and will be perfect for future turbo plans. It ain't cheap tho.
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Old 05-09-2000, 09:16 PM   #3
ColinL
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Post

I've got a borla universal turbo muffler. I would link you to the .wavs but they're (temporarily?) lost on the "old" i-club main site.

Works for me and is considerably cheaper than most of the competition. It's pretty hard to make this big flat-4 sound bad though, IMO.
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Old 05-09-2000, 11:21 PM   #4
larryganz
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SYMS SCOOBY (ebg@montana.com) has tried about 10 exhausts on his RS, and settled for the Stromung dual tip with 2.25" midpipe.

I ordered mine from him on a iClub group buy, and it should be in next week.

SCC magazine got a 5% power increase with muffler only, and there is more power to be had with the larger midpipe.

He says sound with the dynomax, even with a race magnum glasspack on the midpipe, was way too loud.
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Old 05-10-2000, 12:16 AM   #5
thepas
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Too loud eh, no prob, just place a nice fast spining snail looking thingy in front of it! LOL

Kyle
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Old 05-10-2000, 09:38 AM   #6
FatChanceTi
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I will have a supertrapp adjustable exhaust system on my RS (I'll be using the 60mm stock piping from the N1 system I have now) very soon. Light, cheap and adjustable. Low profile too.

Reviews will follow.

FC

Last edited by FatChanceTi; 02-29-2008 at 09:11 AM.
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Old 05-10-2000, 07:10 PM   #7
Tkacik
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Ryanplum how Does the Supertrap system perform. I have seen them but I have never asked anyones opinion.
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Old 05-10-2000, 08:53 PM   #8
EddyRS
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Smile

So far so good....

Basically I am looking for a performance gain/over sound. After hearing about the Dynamax(or is it Dynomax, sorry for the spelling) being 2/3 louder then stock. I think I am leaning towards either the Borla or the Stromung (dual-tip). I like the idea of having a complete "LIKE" system with the Borla....but I know that the stromung has the best performance figures....true it is not that significant...only about 5HP...but I have decided to keep my RS N/A.....so each
little gain in HP is desired....as long as it keeps the engine reliable. Eventually I might swap engines with a Japan Spec WRX Engine....or even a US spec (a few years down the road)

If any of you have any other inputs about exhast options....please pass them on...I am still keeping my mind open to any "GOOD" ideas......

Thanks for the info so far....

Cheers

Eddy L.
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Old 05-11-2000, 02:08 AM   #9
Keirik
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can anyone else confirm this, that the Stromung will give the best performance increase, especially in comparison with Borla? I know that the increase of hp is minute anyway, but still...I'd rather go with the best performace increase of them all...let me know...I'm in the market right now for an exhaust system. Thanks.
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Old 05-11-2000, 05:26 AM   #10
FatChanceTi
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I've seen a system mounted on a BMW M Coupe and it looks nice and clean.

You can tune them for low end or high end performance supposedly.

I'll post as soon as I know more.

FC

Last edited by FatChanceTi; 02-29-2008 at 09:12 AM.
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Old 05-11-2000, 10:50 PM   #11
larryganz
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Pick up a copy of the March 2000 Sport Compact Car magazine for dyno testing on exhausts. Stromung Dual Tip was their preferred choice.

Larry
www.ImprezaRS.com

[This message has been edited by larryganz (edited May 11, 2000).]
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Old 05-12-2000, 08:43 AM   #12
FatChanceTi
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I wish SCC would have gone back and tried all of the exhausts they had with the new highflow intake on their car. Would the results have been different? (i.e. would the larger dia pipe systems have been more effective?)
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Old 05-12-2000, 09:17 AM   #13
Dustin
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Supertrapp on an Impreza? You must not have a problem with washing above the tip then, because it will get sooty above the tip. My brother bought a Datsun 510 with a Supertrapp on it. It was waaaaaay loud, but then he didn't have any of discs to adjust it with. And I still can't figure out how it will flow well with a cap over the end???
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Old 05-12-2000, 09:23 AM   #14
FatChanceTi
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I should have the supertrapp into waiting for me when I get home today. Right now it's either that, or muffler-less (resonator only).

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Old 05-12-2000, 09:35 AM   #15
Volvokiller
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I just installed a used Stromung dual tip on Monday. It is sweet. Performance gains are negligible, but the sound is awesome. Low growl from idle to 4500. Above that, the engine takes over (I have no intake mod) but I love it. Plus, it looks really sweet from the back of the car.

Chris
Black 99
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Old 05-12-2000, 10:02 AM   #16
BoomerRS
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Cool

I have been following this thread with some interest but nobody has mentioned if their car is N/A like me ) or turbo and I do believe the performance will vary greatly one way or the other along with what tube diameter should be used.

Boomer
98RS
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Old 05-12-2000, 10:08 AM   #17
FatChanceTi
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mine's N/A, but using an amsoil oiled foam filter element, no 2nd filter (behind throttle body)
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Old 05-12-2000, 09:44 PM   #18
EddyRS
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My Suby is N/A.....I have a iSR Intake and will be getting the Borla Headers soon.

I was talking to some Muffler shops that do performance exhasts....one said that he will look into the regulations and see if I can replace my two cats with a single free flowing cat. I will probably go with 2" to 2 1/4" piping all the way from headers to muffler.

Today I had my "Stock" muffler replaced by the dealer (old one was rattling when cold) and I had the tech check the ID of the exhast piping.....he measured 1 3/4" I think that going to 2" or even 2 1/4" will help the car....but any bigger will not (unless I put a turbo in) Since I am not going to do that At this time....I will keep the piping around 2" to keep torque.

I also looked into the cost of the cats that we have on our cars......think of $900.00 for the two....ouch. Lucky for us our cats bolt to the piping....my 97 Jeep Wrangler has a single Cat and it is welded to the exhast. Since I live in California I have to keep the cats in (anyway I do not want to keep looking at the check engine light all the time

Laters

Eddy L.
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Old 05-13-2000, 12:06 AM   #19
GOTA25RSIMPREZA
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Question

does anyone know when geting the strumin universal muff and not the true cat back, does the uni. come with the axal pipe? and not the mid pipe? i want to know this because i want my muff shop to make a 2'-or 2.25' mid pipe. thanks......
sincerly,
drew
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Old 05-13-2000, 05:24 AM   #20
markus
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Hey Ryan!!

Keep us posted on the SuperTrapp. I've always thought they were an excellent choice since you can "tune" the amount of backpressure by adding/removing those silencer plates.

Do you have access to a dyno that you would be able to quantify your results after switching?

Very interested!

Cheers,
MB
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Old 05-13-2000, 06:02 AM   #21
bryanw
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I wrote a bit about my Stromung on my site.
http://www.maitreg.com/cars/impreza/mods/stromung.html
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Old 05-13-2000, 05:29 PM   #22
EddyRS
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Talking

I just got my Exhast done.

I went with the Magnaflow Exhast and 2 1/4" Aluminize piping from the CATS back. The system was done in less then one hour, and only cost $265.00 Out-the-door. The look of the muffler is just great....it is a polished Stainless steel unit, with a slightly larger-then-stock S/S oval tip. The unit just shines when looking at it from behind.

Now my suby rumbles......and when I am down shifting it gurgles and pops like the WRC Rally cars. I love the sound.

Performance wise......there is absolutely no loss of Torque/Power below 3000RPM...but above 3000RPM, the car just PULLS. It keeps puling till it hits the rev limiter.

I would suggest this setup to anyone.....the SOUND, PERFORMANCE, & PRICE is all just right.

Eddy L>

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Old 05-13-2000, 07:22 PM   #23
ImprezaRS dot com
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I was going to do the Dynomax or Magnaflow with 2.25" aluminized piping from cat back too. About 10 people told me it was too loud, and one of them tried several combinations before settling on the Stromung with 2.25" midpipe.

That's what I ordered, and will have it here around Thursday. I got it from Eric Gagnon, ebg@montana.com, as he's here on iClub, or in AOL IM as SYMS SCOOBY.

Larry Ganz
AOL IM Impreza2000RS

[This message has been edited by ImprezaRS dot com (edited May 13, 2000).]
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Old 05-14-2000, 09:29 PM   #24
ravent
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don't go with a muffler that is filled with fiber-glass, it burns out and you will replace the muffler or live with the extra noise. The "magnaflow" is ceramic and will get more quiet as it ages. The iside surface gets covered with carbon and mellows the tone.
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Old 05-14-2000, 10:20 PM   #25
EddyRS
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Talking

Randy,

Thanks for the showing me this option. The shop did a Fantastic job. I'm very pleased with the exhast I got!!! The sound is loud, but I am getting used to it already

Oh.....how did Brucelee like your Borla??? Sorry I had to jet early.

See you at the AutoX

Eddy L.
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