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Old 03-21-2005, 08:34 AM   #1
Siper2
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Impreza GC8 Got my 2.25" system finally - but - problems...

Okay, here's the story.

Several weeks ago, a Mid-A member donated his WRX axleback to my RS, with only 200 miles on it (he'd swapped it for a Prodrive unit when he bought his car). Shortly thereafter, I found a Stromung midpipe by way of an eBay seller; she had one for auction, and I Emailed to see if she had another. Turns out she did, and I got it for $60 plus shipping. Brand new.

So, for $72ish I had all the parts I needed, or so I thought.

Went to Meineke on Sat. 3/12 to see if they could fit me in. They were busy, so I drove down the street to Monro Muffler. Two guys were there, and they weren't busy. The manager had a white Mitsu. Evo RS outside, so that made for good conversation. The younger guy said he could hook it up for "$70 cash." I told him I'd do $50, and the deal was done.

Well, he got the midpipe bolted up front and hung, but then said that he couldn't match the axleback to the midpipe. "No problem," I thought, knowing that the flange had to be rotated, which I'd mentioned to this tech earlier.
He said no, even if they were flipped, they wouldn't match up. He showed me the bolt hole pattern, and the size was a bit off. He said he could take everything down and bolt the stock stuff back up, or come up with another solution:

Take off the flanges, sleeve the two pieces and put bracket mounts on. I didn't want to slice up my Stromung, but not wanting to deal with paying for the labor and then going somewhere ELSE, I agreed.

He finished the job, and I went home. I listened to the car when I got there, loving the new sound. But I did notice a bit of a rattle... The tech had pushed the catback rearward maybe an inch or so, to help "clear the differential and swaybar." I backed the car up on my ramps.

Didn't appear that clearance was really necessary... And the rattle was coming from one of the U-brackets tapping against the left-front bolt on my rear diff. protector, as well as the top/rear of the muffler vibrating on the heat shield. Also, I noticed that--even though I'd asked for this--the forward-most hangar arm on the axleback had NOT been rotated (nor had he fabricated a new one), so it wasn't attached to anything.

I brought the car back on 3/18 (I was away for the week on business). Another tech fixed the bracket situation on the sleeve, and since I'd ordered long Kartboy hangars to replace the standard ones on there, he put them on for me (no charge for anything). I'd mentioned the hangar arm, and that two more Kartboys had to be put in place, then my wife and I went to lunch across the lot at Applebees.

Got out of lunch, the car was done. I asked about the hangar arm, and the manager (same dude with the Evo) said it wasn't done, but I didn't need it.
"You've got stiff hangars on there, it will be fine."


So, this is where I'm not sure what to do. I really DON'T think I need it, but.... I want it. It's there, and there for a reason. So what do you guys think? I don't want to be rude to the guy, as everyone was pretty nice, and accomodating. The second tech only put two of the four new Kartboys in place (the ones on the muffler, out back), not doing the one on the forward end of the midpipe. I won't complain about that, as I can do it in my driveway in a few minutes' time.

But how about that one arm?? What do shops usually do with it, for those who've done the WRX--->RS axleback swap? Is it hacked off and turned around, or do they typically weld a new piece of metal on there? Does such a thing exist as a generic piece I could bolt/clamp on there and hang from the Kartboy?

(FYI: I'd bought the longer Kartboys b/c the unit seemed to be sitting up higher than my old exhaust, which was the factory BroSpeed/SPT unit. Tucked up very high, which I thought might've been contributing to rattle...)

So, I know it's a long story, but maybe you guys can toss an opinion or three at me. Was I right to pick up the new Kartboys? It just looked as if that muffler was hanging awfully high, in there.

Thanks-
=S2=
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Old 03-21-2005, 08:54 AM   #2
Aphex28
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well my brother acquired a wrx axel back from a friend for free and had a midpipe put together for him at midas. They just added a hangar to the muffler. Getting the kartboys was a good idea and I don't really think you'll need that hangar. If the exhaust moves too much, then get a hangar put on.

My borla would jiggle like a mofo with the stock hangars and would hit against my diff and heat shields until I got the Group N mounts. I like much better!

IMO a WRX muffler is just a cork... you're better off with a different muffler, it is hardly any different from the RS muffler besides looking cooler. The increase in sound was from the mid-pipe. My brother's WRX muffler makes this funny chirping noise when the car is turned off too.

But congrats on the new, very cheap, exhaust! Enjoy.
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Old 03-21-2005, 09:18 AM   #3
Siper2
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It might be a cork, but it's a cork with 2.25" piping vs. the stock 1.875."
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Old 03-23-2005, 05:54 PM   #4
Siper2
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bump!
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Old 03-23-2005, 07:47 PM   #5
bongchild
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Quote:
Originally Posted by Aphex28
IMO a WRX muffler is just a cork... you're better off with a different muffler, it is hardly any different from the RS muffler besides looking cooler. The increase in sound was from the mid-pipe.
Damn, I thought the stock WRX muffler flows better than the stock L or RS muffler. The bigger size piping helps, doesn't it? I just picked up a WRX axleback and I'm planning on getting a midpipe made for it at Midas... Is it gonna b a waste of my time??

Quote:
Originally Posted by Aphex28
My brother's WRX muffler makes this funny chirping noise when the car is turned off too.
I heard that the chirping noise was because of the tips. Take those off and it should go away.
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Old 03-23-2005, 07:49 PM   #6
Aphex28
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Yah but it looks weird without the tips. Yeah it flows better than a RS muffler and sounds better too... but not that much.. i mean just don't pay more than $40 for the muffler. Either way it's still a good upgrade.
Nope, it shouldn't be a waste of time, if you like your exhaust to have more growl without it being much louder then this is for you!

But as I see it, after all is said and done, you pay $40 for the axel back and then $60-100 to get a custom midpipe made and that doesn't come in much cheaper than a used catback exhaust you can get from somebody. I got mine for $200 and I've seen them go for as low as $140. You pay a bit more and you get a better benefit.

There is no doubt though that the WRX muffler looks great and that is a greatly cheaper option than a duel tipped brullen or stromung(2 of the more expensive exhausts out there.) if what you're going after is the look.

The bigger size piping definately helps! Enjoy!
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Old 03-23-2005, 07:53 PM   #7
Siper2
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Yep, got my axleback for free.

Only too bad my midpipe got mangled......
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Old 03-23-2005, 07:55 PM   #8
ImprezaVA
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Default WRX muffler noise

Quote:
I heard that the chirping noise was because of the tips. Take those off and it should go away.
If I'm not mistaken, the noise comes from inside the muffler, not the tips. Someone has a picture of the WRX muffler cut open floating around here somewhere. IIRC, the conclusion was internal, not external.

-Charles-
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Old 03-23-2005, 07:56 PM   #9
Siper2
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Yeah that's what someone else said in another thread of mine, too.
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