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Old Jan 25, 2016 | 09:41 AM
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Default Ebay NXT Exhaust Question

Anybody have recent experience with the NXT Step exhaust for the C5?

It looks pretty similar to Borla Stingers, I've seen the fitment isn't that great but all those posts are from like 2012, so I wanted to know if anyone has seen any improvement.

What's the sound like?

I just don't want to spend over $500 for just an axle-back exhaust.

Or should I go with something used if I can find it like the B & B Bullets instead?

Thanks.
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Old Jan 25, 2016 | 10:58 AM
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save for a set of B$B bullets

I just installed a set and they are F$%^&*& amazing
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Old Jan 25, 2016 | 01:14 PM
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Originally Posted by kboeh34
Anybody have recent experience with the NXT Step exhaust for the C5?

It looks pretty similar to Borla Stingers, I've seen the fitment isn't that great but all those posts are from like 2012, so I wanted to know if anyone has seen any improvement.

What's the sound like?

I just don't want to spend over $500 for just an axle-back exhaust.

Or should I go with something used if I can find it like the B & B Bullets instead?

Thanks.
I bought one of thees exhaust when i first got my car. All though they had a nice sound and little to no drone. I did not like the looks of them when standing behind the car. You end up seeing the muffler part of the exhaust hanging down. It dose not give a clean tuck behind the bumper cover look like stock. I would recommend the corsa sports exhaust or even Mid-Americas Quad Qruiser exhaust. The bullets sound and look great but you will have drone at hiway cruising speed.
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Old Jan 25, 2016 | 01:41 PM
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Originally Posted by RVETTE42
I bought one of thees exhaust when i first got my car. All though they had a nice sound and little to no drone. I did not like the looks of them when standing behind the car. You end up seeing the muffler part of the exhaust hanging down. It dose not give a clean tuck behind the bumper cover look like stock. I would recommend the corsa sports exhaust or even Mid-Americas Quad Qruiser exhaust. The bullets sound and look great but you will have drone at hiway cruising speed.
Do you have any pictures of the car? Or any videos?

It isn't too terribly low is it? Or does it just look like Borla Stingers?

I really don't want to spend over $500 on just an axle-back. I know I'll probably have to get a muffler shop to straighten everything but I figure it's be a good excuse to have them cut out the h-pipe and put in an x-pipe.

Last edited by kboeh34; Jan 25, 2016 at 01:46 PM.
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Old Jan 25, 2016 | 01:57 PM
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Originally Posted by kboeh34
Do you have any pictures of the car? Or any videos?

It isn't too terribly low is it? Or does it just look like Borla Stingers?

I really don't want to spend over $500 on just an axle-back. I know I'll probably have to get a muffler shop to straighten everything but I figure it's be a good excuse to have them cut out the h-pipe and put in an x-pipe.
This is not my car but it is what it looked like when i had this exhaust from the back. Also notice how one side hangs down lower than the other.
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Old Jan 25, 2016 | 02:39 PM
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Originally Posted by RVETTE42
This is not my car but it is what it looked like when i had this exhaust from the back. Also notice how one side hangs down lower than the other.
Thanks, good to know. If I can find a set of these for around $350 I might get them and see how I turns out. I'm sure the muffler shop could do something to make them even. Just want something a little more aggressive that won't break the bank.
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Old Jan 25, 2016 | 08:47 PM
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Do a muffler bypass on your stock mufflers. I did and sound 100% better

Oh muffler shop did it for $100.00

Last edited by sirdano; Jan 25, 2016 at 08:48 PM.
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Old Jan 25, 2016 | 09:01 PM
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Here is a video of the mod. Sorry at night but you can hear it.

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Old Jan 25, 2016 | 09:18 PM
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Originally Posted by sirdano
Here is a video of the mod. Sorry at night but you can hear it.

I had thought about that a while ago but with it being the TI mufflers the shop said they weren't comfortable doing it. And I heard them in person and it wasn't as aggressive as I wanted.
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Old Jan 25, 2016 | 09:31 PM
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Do what some high end sports cars do eg. Porsche. Get a V8 sound modulator with in/out speaker...lol. Hear one for yourself...cheap and you can go on a little vacation with left over cash. (I still cannot believe that is how some sports cars get their great sound. Of course they are much higher end modulators)

http://www.soundracer.se/?p=98&p2=505

Last edited by El original; Jan 25, 2016 at 09:34 PM.
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Old Jan 25, 2016 | 09:38 PM
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Originally Posted by El original
Do what some high end sports cars do eg. Porsche. Get a V8 sound modulator with in/out speaker...lol. Hear one for yourself...cheap and you can go on a little vacation with left over cash. (I still cannot believe that is how some sports cars get their great sound. Of course they are much higher end modulators)

http://www.soundracer.se/?p=98&p2=505
I can 250% guarantee you the Porsche does not do that. Check my profile ask me how I know...
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Old Jan 25, 2016 | 09:43 PM
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This is my car:


Like everybody else says, the exhaust sounds good, but the fitment was rough. Luckily I had a good muffler guy who would heat up and adjust the pipes as necessary to make the system look good.

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Old Jan 25, 2016 | 09:45 PM
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Originally Posted by kboeh34
I can 250% guarantee you the Porsche does not do that. Check my profile ask me how I know...
???Really.... http://www.caranddriver.com/features...ined-tech-dept
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Old Jan 25, 2016 | 09:50 PM
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Originally Posted by El original
I'd argue that what porsche does is nothing at all similar to getting a plugin modulator.
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Old Jan 25, 2016 | 10:09 PM
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Originally Posted by El original
Yes, my father in law works for PCNA (Porsche Cars North America). I've driven every model there is, with the exception of the Cayman GT4 which I will be driving this summer. And NO Porsche fakes an exhaust note. There is a valve in the exhaust the opens as RPM's rise above a certain point. On my wife's Boxster GTS its about 4000RPM, although I only drive with the button that keeps it open all the time.

If you stand behind the car and have someone press the button there is a clear and distinct difference. So no they don't feed intake noise into the cabin when you press the button.

Last edited by kboeh34; Jan 25, 2016 at 10:12 PM.
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Old Jan 25, 2016 | 10:14 PM
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Originally Posted by blackmachdown
This is my car:


Like everybody else says, the exhaust sounds good, but the fitment was rough. Luckily I had a good muffler guy who would heat up and adjust the pipes as necessary to make the system look good.

Thanks, yeah I've got a muffler shop I really trust. Been working with them since I was a little kid working on Hot Rods with my dad. I'm not concerned about fitment just sound quality and material quality.
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Old Jan 25, 2016 | 10:50 PM
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Originally Posted by kboeh34
Yes, my father in law works for PCNA (Porsche Cars North America). I've driven every model there is, with the exception of the Cayman GT4 which I will be driving this summer. And NO Porsche fakes an exhaust note. There is a valve in the exhaust the opens as RPM's rise above a certain point. On my wife's Boxster GTS its about 4000RPM, although I only drive with the button that keeps it open all the time.

If you stand behind the car and have someone press the button there is a clear and distinct difference. So no they don't feed intake noise into the cabin when you press the button.
really this is from a porsche press release about such device they are using so you must not pay attention to details my friend been in porsche cars since 2012

The distinctive sound of a Porsche engine is music to any enthusiasts' ears, and the Panamera GTS adds a new dimension for appreciating the GTS exhaust notes at the push of a button. The Porsche Sound Symposer is an acoustic channel that picks up the intake vibrations between the throttle valve and the air filter, transmitting them as engine sound via a membrane into the A-pillar.
http://press.porsche.com/news/release.php?id=689
here is some more reading on the same subject
http://articles.sae.org/10374/

https://www.classicdriver.com/en/art...1-sounds-great
The whole orchestra contributes here. The quality of the air-intake sound tells us how much throttle we’re using, whereas the volume depends mainly on the power output. Mechanical engine noise increases with engine speed. In a Porsche, nothing’s contrived or faked, all the sounds are genuine. However, the engineers have developed ‘Sympos’, included as standard in the Carrera: “Sympos is a passive system which brings the sound of the boxer engine into the cabin,” says Pfäfflin. Tell us more?


“An acoustic channel monitors throttle and air filter. It contains a gas-tight membrane which amplifies vibrations and transmits them mechanically to the rear parcel shelf in the interior. A controllable valve is linked to the Sport button.” But there’s more – a switchable Helmholtz coil dampens unwanted peaks in the rev range at 5,000rpm, to give the perfect result.

Last edited by momo20; Jan 25, 2016 at 10:54 PM.
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Old Jan 26, 2016 | 05:11 PM
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I have the NXT axle back exhaust on mine that was installed by the previous owner. Mine is really quiet at low revs, no drone at highway speed, but once you put your foot in it, oh my. I really like it. Especially with the top down. The bad side is, the 0 to whatever sprints get REALLY addictive with the exhaust sound. And my gas mileage shows it.

This is not my video. Just something I stumbled upon when I was researching aftermarket parts on my vert.

Jim

Last edited by jd911; Jan 26, 2016 at 05:18 PM.
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