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Old 11-15-2003, 12:54 AM   #1
dubRexn
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Default downpipe + borla HUSH

I just installed it today, 3" catless helix downpipe and 3" borla hush exhaust.

well the borla exhuast was pretty good quality and the fit ment was pretty good. It was made able to be ajusted in length about 3-4 inches for the proper fit. It went on like butter. Bolted right up to the helix downpipe.

Well, i started up the car and not its not so quite with a downpipe. But its still the quietest i have heard to so far. Its got a nice rumble at idle and a more linear sound in the highs. Due to my more equal length headers, my car did not have that subaru raspiness, it was more linear and honda sounding, but it sounded damn good. It doesn't drone on the highway, and its only loud while excellerating.

Overall I was really impressed, and this is a high quality exhaust. It also retains a very nice similar to stock look. It looks like a muffler off of a very high end car, the tips resembled a Mercedes Benz AMG. My friends were going nuts over it, so thats good, and they liked the sound better than the cobb catback.

I would give this a 10 out of 10


Harsha
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Old 11-15-2003, 02:25 AM   #2
aznfoos
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hmmm, nice, I really like this exhaust.

power gains? lest not forget that it supposed to be a performance exhaust. Does it feel like your other cat backs? i know that you did the DP and cat back together tho.
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Old 11-16-2003, 12:48 AM   #3
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Dubrexn, did you have any problems with exhaust leaks from the downpipe to the exhaust. I just installed mine yesterday and it has an exhaust leak right where the exhaust meets the downpipe. The exhaust does help out though. I have a Cobb stage 2 and it definately pulls harder than stock.
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Old 11-16-2003, 07:45 PM   #4
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no leaks, I did use a different gasket though, i went to the auto parts store and bought this cardboard type stuff and cut it out to fit in between, you might wanna try that,

With the downpipe i did feel power gains, since i had the downpipe going to the factory catback, the spool time was slower than with the borla, now the whoel car reacts quicker, like when youre in third at like 2300 rpm and punch it, usually nothing happens for about 2 seconds, ut now its like 1second, it just feels quicker, and the toneis really nice. I love it, but it ain't quite at all with a downpipe.

I drove my friends wrx with just a cobb catback, and my car felt a lot faster, the turbo just spools quicker, and just moves.
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Old 11-19-2003, 02:34 PM   #5
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I just purchased an Invidia downpipe and will be buying a Borla hush exhaust.

Any chance you can record how your new exhaust setup sounds? Some out of car and in car footage would be great!

--TIA!

--Marc
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Old 11-29-2003, 07:55 PM   #6
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I just bought a borla hush for my STI and I was wondering about the hook up at the cat. I have a Perring DP and there is a flange there. The Borla has a flange there also, but there seems to be a bottle neck right there (right where the borla TBE and cat meets). I was wondering if I cut the cat flange off at the cat and take off the borla flange, will it hook up? Or maybe it will be too short?
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Old 11-30-2003, 12:41 AM   #7
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STi City, I had to cut the flange off the Borla Hush to get rid of the exhaust leak. I used an Invidia downpipe with the Borla and it wouldnt seal at all. I eventually took it to a muffler shop and had them cut off the old flange and weld on a new flange that would actually fit the Downpipe . The flange on the borla exhaust just doesnt fit any of the aftermarket downpipes on the market. The Borla exhaust does sound better than the HKS Ti-Hiper I used to have. Its fairly quite too, you should like it.
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Old 11-30-2003, 02:05 AM   #8
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Quote:
Originally posted by rcr20
STi City, I had to cut the flange off the Borla Hush to get rid of the exhaust leak. I used an Invidia downpipe with the Borla and it wouldnt seal at all. I eventually took it to a muffler shop and had them cut off the old flange and weld on a new flange that would actually fit the Downpipe . The flange on the borla exhaust just doesnt fit any of the aftermarket downpipes on the market. The Borla exhaust does sound better than the HKS Ti-Hiper I used to have. Its fairly quite too, you should like it.
The Borla Hush TBE I received, you can actually disconnect the flange where it connects to the cat or DP. It just slides right off, it is secured by one of those round brakets that goes around and squeezes the pipe. That flange seems to have a bottle neck to accomadate the stock dp or midpipe. I want to get rid of that bottle neck by cutting the perrin dp flange and getting rid of the borla flange, therefore the dp can slide into the borla TBE. I do not know if the borla TBE is long enough to replace the extra space.
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Old 12-05-2003, 02:11 AM   #9
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This set up sounds really nice. Do you stiill have the stock uppipe?

Would you be able to attach a sound byte by any chance? That would be awesome. Thanks
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Old 12-05-2003, 10:23 AM   #10
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I don't have an up pipe, but I do have a down pipe. It is defineately louder than stock. But I think it is the softest cat back exhaust available. It does come with a single tip that mimics the stock tip. It was a pleasant surprise that it came with the single tip, oppose to the dual tip on the WRX version.
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Old 03-28-2004, 12:08 AM   #11
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Everywhere else i've read that people have had to modify their borla hush exhausts to mate up with the helix? you didn't have to do anything special to get it to worK? . . do you have pictures of your exhausts flanges?
-b
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Old 03-30-2004, 07:22 PM   #12
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I had to modify the dp and cat back. Just go to your exhaust shop to get it mated up, about $60.
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Old 09-12-2004, 03:42 PM   #13
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Default Another Helix/Hush Combo Installed

I just got this setup (Helix Downpipe/Borla Hush) installed yesterday on my '03 WRX.

The sound is a nice deep rumble, that is not loud. Very hard to explain. Just what I was looking for from a TBE.

The quality of the Helix downpipe is just top notch, the guys at the shop could not believe how nice the fit and finish of it was.

The borla hush looks great, not the shining bling factor of a polished SS system, but who cares, the tips are polished and look great, the rest can not be seen.

The fit was great, there was some modifying to the flange which connects to the downpipe, but very minimal, the guy who installed it only took 2 hours to install this combo. There is no leaks, no need for longer hangers or anything since the whole system can be pivoted, no leaks and it looks leveled. I have to note that the springs/screw stock hardware was reused on the install.

The most time consuming thing was removing the heat shield on the turbo/downpipe connection.

The mechanical CEL fix from GPmoto was also installed, and no CEL so far.

I am very happy with this, just perfect for me. If you want a loud muffler, the Borla Hush is not for you.

My car is gettin Dynoed by shiv next week, my car has other mods, but I will post dyno mumbers when I get them.

Last edited by WORWRX; 09-12-2004 at 03:47 PM.
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Old 09-14-2004, 04:58 AM   #14
icantdrive75
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Default Sound File

If anyone wants to hear a borla hush follow this link:

http://www.fastwrx.com/bohucaex.html
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Old 09-14-2004, 06:35 AM   #15
kingkognkhw
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Quote:
Originally Posted by STi City
I don't have an up pipe, but I do have a down pipe. It is defineately louder than stock. But I think it is the softest cat back exhaust available. It does come with a single tip that mimics the stock tip. It was a pleasant surprise that it came with the single tip, oppose to the dual tip on the WRX version.
where did you find the single tip at? i like the sound of the borla hush, but the only thing i didnt like is it's a dual tip, and i didnt know they have a single tip for that
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Old 09-14-2004, 02:58 PM   #16
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So exactly what kind of modifying needs to be done to mate the helix dp to the borla system? I'm lookin into gettin a dp but I need something that can be removed and replaced with the stock pipe if need be for warranty issues. Does the catback get modified or does the dp get modified?
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Old 09-14-2004, 03:00 PM   #17
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if you want a warranty don't mod your car.
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Old 09-14-2004, 04:02 PM   #18
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brilliant
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Old 09-14-2004, 05:40 PM   #19
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hey it's common sense, but since you didn't understand it I had to lay it out a bit for you.
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Old 09-14-2004, 06:08 PM   #20
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someday I hope to obtain the knowledge that you possess oh great one. but in the meantime, I don't mind modding my car with parts that can be replaced with stock parts on the occasion that I may have to take it in for any possible warranty issue. I don't know how nazi-esque they are about their warranty.

Last edited by midgettosser1; 09-14-2004 at 06:13 PM.
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Old 09-14-2004, 06:14 PM   #21
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It's nothing to do with knowledge, it's responsability. Take some. you sound like some spoiled brat that just got a Mommy and Daddy funded car.

Don't worry, when you drop it back to stock the techs wont have a clue. They don't work on these cars day in and day out. I'm sure you'll pull one over on them.
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Old 09-14-2004, 06:36 PM   #22
midgettosser1
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Thumbs up

Yes, a spoiled little brat who's 25, has a good job, and lives on his own. Good call. If i was spoiled and not worried about money do u think I'd care about voiding my warranty?
Thanks, but ur an idiot.

So back to my question, I just wanted to see if the borla catback (which came on the car from the dealer) would be altered when mating the helix dp to it, since there is some welding needed. I need to be able to put the stock dp and 3rd cat back on in order to get warranty work and I was concerned that if the catback had any signs of alteration the dealer would raise a redflag.
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Old 09-14-2004, 06:41 PM   #23
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Walks like a duck quacks like a duck. . . no responsibilty for their own actions. How would you call it?

normal, i'm sure.

it will mate, the dealer will nevar notice anything.
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Old 09-14-2004, 06:53 PM   #24
midgettosser1
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wow, it's all so clear to me now. modding my car with the ability to swap the stock parts back in if needed is completely irresponsible. will you ever forgive me for trying to find ways to get a little more power without waiting for my 75,000 mile warranty to end?
thanks for all you helpful feedback. but alas, u have made me feel so unworthy that perhaps I will just sell my car. hopefully it will end up in the hands of someone as truly worthy and mature as yourself.


goodbye, and may ur streak of worthless posts continue for an eternity thereby making everyone elses lives that much richer.
I hope that someday you achieve ur goal of obtaining the uber scooby specialist title with all ur worthwhile posts.

Last edited by midgettosser1; 09-14-2004 at 07:00 PM.
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Old 09-14-2004, 07:00 PM   #25
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thanks for the good words!


come back when you enter adulthood.
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