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Old 03-17-2003, 04:19 PM   #1
bahboy20
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Default 2002 2.5RS axle backs

It seems like whenever I try to find a catback/axle back for a 2.5 RS, its always the gc8 or 98-01 2.5 RS.

Are there any axle or catbacks that are designed for the newer age 2.5 RS? I know that wrx/gc8 exhauts can fit with minor modification, but is there a setup specifically for my year/type of car?

thanks

dan
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Last edited by bahboy20; 03-17-2003 at 06:02 PM.
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Old 03-17-2003, 05:39 PM   #2
Kostamojen
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Few and far between. What you can do is get a muffler for a 98-01 RS and just have the one hangar that is in the wrong spot re-welded by a muffler shop for cheap. Thats the easiest route.
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Old 03-17-2003, 06:02 PM   #3
bahboy20
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Default what about wrx axleback

well do you know if it is the same mod to fit a wrx axle back onto the 2002+ RS, or is it even more work (and therefore more expensive)?
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Old 03-17-2003, 08:57 PM   #4
DrBoy01
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I know you can hook up a Stromung axle-back to the 02 RS's midpipe. The muffler has hanger-things for both the 99-01 RS and the New-Age RS

Sounds good, too!
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Old 03-17-2003, 09:53 PM   #5
QfactorRS
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Cobb's cat-back is designed for your car, and it is a damn nice piece. sounds really nice too. A winner in my book.

Q
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Old 03-18-2003, 01:01 AM   #6
Kostamojen
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Default Re: what about wrx axleback

Quote:
Originally posted by bahboy20
well do you know if it is the same mod to fit a wrx axle back onto the 2002+ RS, or is it even more work (and therefore more expensive)?
You have to rotate the flange instead of the hanger. Same amount of work though, but more welding.
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Old 03-18-2003, 01:08 AM   #7
joefocker20
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Yeah, I have the Stromung Catback with Kartboy Hangers on my 02 RS and its pretty solid andsounds good, but is kinda quiet, thank god.. Make sure that when you do your exhaust, buy these hangers! The stock ones can flex in half both ways in your hand, but I can't even flex the Kartboy ones at all. ANd I had to take one off of the Kartboys offof the car whenIwas installing them, and it was a biotch. I dont know if you can ever get them off without cutting them after theyre work in.

Last edited by joefocker20; 03-18-2003 at 01:29 PM.
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Old 03-18-2003, 09:13 AM   #8
Pat L.I.
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I modified the scoobysport axleback for a wrx to fit the 02rs. They just had to cut the flange off the end and weld on about 8 inches of 2.25 piping and a new flange at the correct angle to mount to my midpipe. Then i just had minekee make me a custom 2.25 inch midpipe. It sounds great, im glad i went this route.
Pat
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Old 03-18-2003, 12:47 PM   #9
bahboy20
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Default wrx exhaust on a 2002 RS

Hey man, so not only do they have to rotate the flange, but you also have to have them add 8" to the stock midpipe? I also have a 2k2 rs.

Any idea how much it cost to just have the wrx axle back adapted to get installed on the 2002 RS? Do I just need to get the flange rotated, or did you get the midpipe adjusted BECAUSE you went for a full catback? Since I am just looking axle back now, do I need worrry about the midpipe?

Let me know-- i am tryign to add a blitz axle back from a wrx.

Dan
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Old 03-18-2003, 01:32 PM   #10
pdlindor
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Dan,
If you're talking stock WRX axle-back, I've done it to my RS, and all that needed to be done was the flange rotation. AFAIK, hangers are the same from 2002RS->WRX. The flange is slightly different so the shop had to chop off the flange on the WRX muffler and weld a new one on.

~Paul

edit: D'oh...just saw that you're looking at a Blitz axle-back, making my paragraph above virtually useless.
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Old 03-18-2003, 02:19 PM   #11
Pat L.I.
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the first problem was that the flange for the scoobysport was at the wrong angle to mount to my midpipe. so that had to be cut and rotated.

the second problem was that the flange that came on the scoobysport was mounted to 2.5 inch piping. and even at the correct angle would be too big to mate with the flange on my 1.?? midpipe. so they chopped about 6-8 inches off the end of the scoobysport and put on a section of 2.25 inch piping. Now we were able to put the proper sized flange on the end of the scoobysport. At this point i just mounted it up to the stock 1.?? midpipe. no problems at all it sounded great, and fitment was great too. so it went from the cat back at 1.?? to the axleback where it was about 8 inches of 2.25 then the rest of the scoobysport piping 2.5 out the back. this cost me about 100 bucks.

recently i had minekee make me a new midpipe without resonators. (there is no cat in the midpipe, dont let them turn you away for this, its a pre-res. chamber) the new midpipe was 2.25 all the way back. this cost 80 dollars. so now im 2.25 catback, 8inches of 2.25 at the beginning of the axleback, and 2.5 for the rest. the sound is increadable.
let me know if i left anything out
Pat
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Old 03-18-2003, 02:49 PM   #12
bahboy20
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Default so axle back or a muffler then?

Actually, I was looking at a blitz axle back for the wrx...
I assume that I am goign to have the same problem as Pat L.I. because the flange that comes mounted on the blitz is probably between 2.5-3" (anyone know what diamter?).

So because that diameter is much bigger than my stock midpipe (not to mention flange is not lined up) they will need to add about 8" of piping so that the proper sized flange can line up?

Would it make more sense for me just to buy a blitz muffler and have them add on a axle back portion since I am going to need them to cutt off and add 8" anyways? btw, why 8"?

So basically, does it make more sense for me to buy an axle back or just the muffler in terms of fitting it on my car?

thanks,

dan
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Old 03-18-2003, 09:36 PM   #13
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So what is the piping size of the various pipes in the stock exhaust? I want to have a Magnaflow installed this spring and am considering a new mid-pipe as well. I want the whole thing to be a 2.25" cat back, so I might just get a complete custom job.

Also, any fitment issues installing the Stromung midpipe to an '01 RS? I'm assuming not, but just asking to clarify. It's 2.25" diameter IIRC.
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Old 03-19-2003, 09:54 AM   #14
Pat L.I.
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bahboy20 - no specific reason for 8 inches..i think that just gave them enough room to work. and re-weld everything properly.

as for getting a custom axleback - Im not sure how easy it is for them to bend the axleback piping (or how much it will cost you to have them do this), i think what they usually try to do in those senerios is cut off the stock muffler and reweld your new muffler to the stock axleback. i remember reading a thread about someone having to do this. Im not 100% sure though so you will have to talk to the shop. but if this is the case i would go with the full aftermarket axleback because if you do eventually decide to get the midpipe done (which is cheap to do) your not gonna want a new midpipe connecting to the stock sized axleback with new muffler.

That Guy - i think the stock piping is like 1.75 or around that ballpark. you shouldnt have any issues with the stromung fitment. and yes you can get it in 2.25 resonated or unresonated.

Pat

Last edited by Pat L.I.; 03-19-2003 at 10:01 AM.
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Old 03-19-2003, 01:55 PM   #15
joefocker20
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Stock is 1 7/8" IIRC..
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Old 03-20-2003, 01:23 PM   #16
Kucheto
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Quote:
Originally posted by joefocker20
Yeah, I have the Stromung Catback with Kartboy Hangers on my 02 RS and its pretty solid andsounds good, but is kinda quiet, thank god...
Do you have the dual-tip or the single tip (assuming the dual tip would be quieter)? Any other mods?

I'm asking cuz I have the 4th Gen Borla header and want to get Stromung cat back, but affraid it may be too loud.

ohh, and another thing I'm concerned about is that people tell me that my 4th Gen Borla header is 2.5", not 2.25". Can any1 confirm that? I should've measured it before I put them on.

Having said that, and the Borlas are 2.5" I would have to get the 2.5" Stromung also.

thanks
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Old 03-23-2003, 10:49 PM   #17
bahboy20
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Default gc8 catback on 2002 RS?

Well, you guys have been a lot of help with my questions so far.

I forgot to ask-- does a gc8 catback fit on a 2002RS? I woudl assume the hangar needs to be relocated, but what about everythign else, does everythign else fit? Does it matter if the gc8 was a coupe or sedan?

thanks for the help.

dan
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