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Old 06-01-2011, 02:49 PM   #776
honestabe
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Quote:
Originally Posted by Louie View Post
The NP axle back isn't quiet... Maybe comparing it to some other aftermarket brands buy not over stock.
Are you talking in reference to yours? I have a hatchback. Big difference between NP's axleback for the hatch (has a muffler) and their axleback for the sedan (muffler-less)
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Old 06-01-2011, 03:24 PM   #777
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Quote:
Originally Posted by honestabe

Are you talking in reference to yours? I have a hatchback. Big difference between NP's axleback for the hatch (has a muffler) and their axleback for the sedan (muffler-less)
Oh....my bad.
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Old 06-01-2011, 03:40 PM   #778
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Originally Posted by Louie View Post
Oh....my bad.
Its all good, its confusing because people don't put hatch or sedan in their profile (I didn't either till now lol). I'd say Nameless' sedan axleback is all-around praised for being awesome. I think less people have bought the hatch's axleback so I haven't heard much about it besides the recent talk in this thread that it is rather quiet.
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Old 06-01-2011, 03:41 PM   #779
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Originally Posted by Yuckfou View Post
Removing the resonator will make a little difference but prob not enough to satisfy you.

I would not hack up the NP axle back. Sell it on CL or the classifieds. You change anything on it the value plummets.

Not trying the send your money but in my opinion selling the NP and buying a different catback may be the best way to go.

I think a single cat DP, non-resonated midpipe and their axleback would sound great. I know that's not what you are looking for but I bet that would sound great and be loud enough for you. Waiting for them to release this may be worth waiting for.
Yeah, you're right. I'm going to email them to ask about them releasing a muffler-less version of their axleback. I would do what you suggest (which is a great suggestion) and get a new downpipe + midpipe but I'm not doing any engine/power modifications until my warranty is up so I don't want to do anything I will have to tune for.
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Old 06-01-2011, 09:46 PM   #780
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Just a quick update here, not terribly relevant to the discussion of muffler-less hatch axleback exhausts (but we are working on something along those lines as well), but it was the place I thought most appropriate to post this.

We have had a hell of a first half of the year. It has been intense, stressful, overwhelming and a whole lot of fun. Despite things going so surprisingly well for our company here in the Subaru market, we were still running on fumes with one full time employee/owner, one almost full time employee/owner who was juggling a day job and a third partner working part time also juggling a day job.

Things are about to change substantially. In an awesome way. Our lead fabricator and Manufacturing Director, John Hoyenga will be coming on full time starting Monday. Which is a great improvement for him from his current schedule of getting up at 4:30 AM, going to a 9 hour workday, driving another 30 minutes to our shop and then working until midnight and driving home. John is a damn machine, but even he was burning out with the workload of carrying two effectively full time jobs.

In the last few months we have been really working hard to bring all of our internal systems in line so that we can kick off a huge new effort to bring more products to market and increase our R&D efforts as well as our production capacity. Because of this I have been pretty much absent from the forums and I apologize.

The good news is, I'm back on Monday and I can't wait to start working back in the trenches with other enthusiasts to brainstorm and share our products, methods, and other awesome content.

The last five months of selling Subaru parts has been amazing, by the way. We have had success in other markets but we have never been made to feel as at-home as we do in this community. And that makes us want to stay. :-)

Talk to you all soon. I'm off to work in the shop. Our offices are almost all dialed in and ready to go Monday, and we've got a lot of work to do to finish the second story re-org in the shop...and build a third level storage loft out there as well. Lots of work. Good stuff...

Jason Griffith
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Last edited by NamelessPerformance; 06-01-2011 at 09:51 PM.
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Old 06-01-2011, 09:52 PM   #781
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Oh, and Follow us on Facebook! We actually do have some good content over there!!

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Old 06-01-2011, 10:04 PM   #782
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Quote:
Originally Posted by Louie View Post
It sounded like you were complaining about the cost of a mid pipe. I read it wrong, sorry. I like the idea of having the muffler removed over using washers. The washers will just sound like an exhaust leak.
Have you heard it before? Doesn't sound like a leak at all, it sounds great.
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Old 06-01-2011, 10:11 PM   #783
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Have you heard it before? Doesn't sound like a leak at all, it sounds great.
I think it actually sounded decently good but three washers may have been too much. Maybe I'll try two washers tomorrow to see if it sounds better.
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Old 06-01-2011, 10:13 PM   #784
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I'm running 2, it sounds perfect. Now that I've got the sound, I'm not sure if my next paycheck should go to an exhaust or tires x_x
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Old 06-01-2011, 10:14 PM   #785
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Have you heard it before? Doesn't sound like a leak at all, it sounds great.
I have (not on a 2011), the sound wasn't distinguishable like an exhaust (probably because you have sources of noise just 1/10sec apart. When we took the exhaust off it sounded better than having spacers. Its just my opinion; just don't go cutting coils off of your springs and tell me that it rides fine.

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Originally Posted by mrkyle3 View Post
I think it actually sounded decently good but three washers may have been too much. Maybe I'll try two washers tomorrow to see if it sounds better.
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Old 06-01-2011, 10:25 PM   #786
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Nah, I wouldn't do that lol. But I legit enjoy the sound, and it seems to feel a bit less restrictive.
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Old 06-02-2011, 09:53 AM   #787
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Quote:
Originally Posted by Louie
I have (not on a 2011), the sound wasn't distinguishable like an exhaust (probably because you have sources of noise just 1/10sec apart. When we took the exhaust off it sounded better than having spacers. Its just my opinion; just don't go cutting coils off of your springs and tell me that it rides fine.

Yep dunno what the other guy was hearing but it definitely sounds like an exhaust leak. I took it off after 30 seconds.
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Old 06-02-2011, 10:18 AM   #788
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Maybe on the hatch it does?
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Old 06-02-2011, 11:14 AM   #789
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Maybe on the hatch it does?
Could be. I think after it warmed up it sounded better but it still isn't good. I think the main problem isn't the sound itself but rather that the sound doesn't emanate from the exhaust tips, it comes from under the left rear of the car so if people are close to it (such at a gas station) it's incredibly obvious that somethings up.

It's probably better on the sedan because you would have to put washers on both sides of the car so it would even it out a bit, but on the hatch it's very skewed to the left.
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Old 06-02-2011, 01:34 PM   #790
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This is getting off topic but the washer mod does sound good on the hatch as well, while driving. Nevertheless, it isn't a real solution to me for some of the reasons mentioned. Its just so tempting to keep it this way (mine is still spaced while I decide on an exhaust) because of how easy it is to get the rumble sound.

I did try running completely muffler-less for a while since that got rid of the sputtering/leak sounds the washer mod has while idling. But it also brought strange responses I think due to the exhaust pulses resonating in that cavity under the car behind the axle. The flow should be pulled out into open air.

Back on topic, can't wait to hear about more hatchback options Jason!
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Old 06-02-2011, 01:59 PM   #791
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Anybody have experience with the turboxs axleback for the 2011 hatch? How much louder is it than the NP?
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Old 06-02-2011, 02:21 PM   #792
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This whole discussion brings up a good point that we had been discussing prior to release of any of the hatch parts. We originally were contemplating including an optional exhaust cutout in the Axleback to bypass the muffler either via an RPM or boost dependent switch or manually using a pushbutton controller that varied the angle of the cutout butterfly.

Perhaps this would be something that could give the variability that hatch owners are looking for to improve the volume of the exhaust, while retaining the option to be a little more stealth with the full muffled version.

Certainly something we had planned on and can still easily incorporate the features of this into our midpipe. We were thinking the QTP 3" cutout or just do our own. It's not rocket surgery and their prices aren't the best. I just ordered one of the QTP units to do some testing with. I'll keep you all posted. Also we are working on a midpipe for the hatch that is straight, no resonator, in order to pick the volume up a bit. Will also keep you posted on how that works out.

Talk to you soon,

Jason
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Last edited by NamelessPerformance; 06-02-2011 at 02:44 PM.
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Old 06-05-2011, 08:53 PM   #793
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Hey gents. My intent is not to thread-jack or anything. I'm in the market to purchase an STI in January. I'm just wondering if there is any axle back that is dual tip, not quad tip.
Kind of like the Perrin axle back for 09 WRXs that are the single tip, but one for an STI that has 2 of those single wall tips. Would look so clean that way imo.
I have searched high and low to no avail. Maybe there is a system hiding somewhere like this, I'm hoping there is a ready made axle back so i dont have to get an exhaust shop to to a quick half assed one.
Thanks,

Nathan.
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Old 06-05-2011, 08:59 PM   #794
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Quote:
Originally Posted by TheSeventhTrumpet
Hey gents. My intent is not to thread-jack or anything. I'm in the market to purchase an STI in January. I'm just wondering if there is any axle back that is dual tip, not quad tip.
Kind of like the Perrin axle back for 09 WRXs that are the single tip, but one for an STI that has 2 of those single wall tips. Would look so clean that way imo.
I have searched high and low to no avail. Maybe there is a system hiding somewhere like this, I'm hoping there is a ready made axle back so i dont have to get an exhaust shop to to a quick half assed one.
Thanks,

Nathan.
Yes, perrin, hks, agency power, turbo xs and mad dad...all have wrx dual exhaust that fit on the sedan.
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Old 06-05-2011, 11:08 PM   #795
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Quote:
Originally Posted by TheSeventhTrumpet
Hey gents. My intent is not to thread-jack or anything. I'm in the market to purchase an STI in January. I'm just wondering if there is any axle back that is dual tip, not quad tip.
Kind of like the Perrin axle back for 09 WRXs that are the single tip, but one for an STI that has 2 of those single wall tips. Would look so clean that way imo.
I have searched high and low to no avail. Maybe there is a system hiding somewhere like this, I'm hoping there is a ready made axle back so i dont have to get an exhaust shop to to a quick half assed one.
Thanks,

Nathan.
Invidia makes one but it is a double wall tip I believe.
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Old 06-08-2011, 01:06 PM   #796
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Originally Posted by Yuckfou View Post
Ah so. I understand completely.

I told Jason that I wanted to try his axleback again. But this time I want try it with a non-resonated midpipe. I was supposed to be at their shop right now but they bailed on me at the last minute.

I thought their axleback coupled with my resonated midpipe was too quiet. I have a CNT downpipe.

If you have the stock down and mid pipes their axleback will be very quiet.

Since they don't seem to get into this thread very often I'd go and pester them on their FB page. Tell them you are interested in Yuckfou's non-resonated midpipe idea. Maybe they'll bump this up on their list of priorities.
Has the non-resonated midpipe been put on your car?
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Old 06-08-2011, 03:56 PM   #797
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Not yet. Waiting on a date from Jason. Hopefully this week.
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Old 06-09-2011, 06:19 PM   #798
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We haven't forgotten about you, we have been busy.

We can try and get you up here tomorrow (Friday) or early next week. We have a car all week next week that we need to get 5 or 6 products designed on, but we can work you in at the beginning of the week. We will be in touch.
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Old 06-10-2011, 12:57 PM   #799
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I ordered my axle-back the same day I drove the car off the lot, super excited.
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Old 06-18-2011, 02:34 PM   #800
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I got my midpipe this week, thanks for getting it out.

Couple questions: Why on earth did you send 17mm nuts for the mid to axleback connection? Maybe I put the bolt in the wrong side, I went back to front with the nut being toward the front of the car. Doesn't matter, either way a 17 mm socket doesn't fit(too close to flange) and a wrench cannot be put on the top nut.

Second question: there was no gasket for the mid to axleback...do I need one or will it not leak without one.

Other than those two issues the fitment was great, easy install. I'm driving to the hardware store to get some different hardware for the back connection...gotta go!
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