Nissan 370Z Forum
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Nissan 370Z Forum (http://www.the370z.com/)
-   Engine & Drivetrain (http://www.the370z.com/engine-drivetrain/)
-   -   Greddy Exhaust Drone (http://www.the370z.com/engine-drivetrain/130819-greddy-exhaust-drone.html)

markesc 06-02-2019 11:53 AM
Quote:
Originally Posted by CRiZO (Post 3852838)
An exhaust will also change over time too.

I installed a ton of sound deadening in my hatch (for the subwoofer, not exhaust) and a side effect was my exhaust is MUCH more quiet inside the car now.

The only thing separating the driver from the exhaust tips is the plastic bumper cover, the carpet, and literally a panel of sheet metal. If you bang on it, it'll sound like banging on an empty 60 gallon drum. I put a few layers of butyl mat back there, and 80mil closed cell foam. Cut down on road noise some too.
Yup! I did the same, the entire back half of the car is a tin can (likely the last nissan product I'll own).

Was well worth adding sound deadening. I went with gt mat + nioco + some foam layering. Night/day difference, then again, I have the 18" resonators on the FI CB setup.

GrayGhost 06-04-2019 10:29 AM
Were you able to upload that video?

Can someone tell me the hardware that comes with the evoGt, please? I bought used ART pipes without hardware and need to figure out what else to buy to install everything


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dts3 06-04-2019 06:29 PM
Sorry man, I'll try to get it up today or tomorrow... Been busy with work
The evolution GT came with:
Y-pipe
X/crossover pipe
2 resonated pipes from the crossover to dual mufflers. Tips are not removable
5 gaskets
All necessary nuts and bolts
License plate frame
2 Greddy stickers good for +5whp each

GrayGhost 06-05-2019 01:43 PM
No worries and thank you for the parts list!


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GrayGhost 06-28-2019 01:05 PM
So I installed the Evo GT last Sunday and also put on ART pipes. I can confirm, there is some serious drone. I need to check what rpms they are at again, but i think its about 2750-3200 there is really bad drone. When I don’t feel like having my head explode, i drive the car only shifting between like 2000-2600 rpm.

This exhaust is LOUD!


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dts3 06-28-2019 01:27 PM
Yeah, that's the same rpm range for me, and I have stock cats.

Whjaxn17 06-28-2019 02:06 PM
I've had it for a year and a half now w/ Motordyne ART pipes and love it, but I do have the same drone you're talking about. Doesn't really bother me as it's not my DD, but I could see how it could get old if it were.

Whjaxn17 06-28-2019 02:17 PM
Quote:
Originally Posted by GrayGhost (Post 3857331)
Anyone happen to get some recent sound clips with the greddy? I was literally minutes from placing an order and a friend told me it doesn’t sound good which second guessed my decision.

Anyone running it with ART pipes?


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Exact setup, Greddy Evolution w/ ART pipes

https://www.instagram.com/p/BsD1xyng...d=yszkbqhocdwp

https://www.instagram.com/p/Bw17G15l...=10lx0i1vf397s

dts3 06-28-2019 02:49 PM
Quote:
Originally Posted by Whjaxn17 (Post 3863968)
I see you on the dyno. Do you have to have before/after with just the exhaust?

dts3 06-28-2019 02:50 PM
Quote:
Originally Posted by Whjaxn17 (Post 3863966)
I've had it for a year and a half now w/ Motordyne ART pipes and love it, but I do have the same drone you're talking about. Doesn't really bother me as it's not my DD, but I could see how it could get old if it were.
Yeah, I love the exhaust. I'm mostly used to the drone now, but it does have the side effect keeping my wife from asking to drive it.

dts3 06-28-2019 02:53 PM
Quote:
Originally Posted by Whjaxn17 (Post 3863968)
Can you take a pic of your tips for me? I feel like mine stick out quite a bit

GrayGhost 06-28-2019 08:58 PM
Quote:
Originally Posted by Whjaxn17 (Post 3863966)
I've had it for a year and a half now w/ Motordyne ART pipes and love it, but I do have the same drone you're talking about. Doesn't really bother me as it's not my DD, but I could see how it could get old if it were.


What other mods are you running?


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Whjaxn17 07-01-2019 09:54 AM
Quote:
Originally Posted by dts3 (Post 3863975)
Yeah, I love the exhaust. I'm mostly used to the drone now, but it does have the side effect keeping my wife from asking to drive it.
Isn't that the point? :inoutroflpuke:

Quote:
Originally Posted by dts3 (Post 3863974)
I see you on the dyno. Do you have to have before/after with just the exhaust?
Managed to find 1 stock cold start...https://www.instagram.com/p/BaZFMZZH...d=78calx98pse1

Quote:
Originally Posted by dts3 (Post 3863976)
Can you take a pic of your tips for me? I feel like mine stick out quite a bit
.https://uploads.tapatalk-cdn.com/201...d535e9e88e.jpghttps://uploads.tapatalk-cdn.com/201...358311dc1b.jpghttps://uploads.tapatalk-cdn.com/201...c64b808972.jpg

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Whjaxn17 07-01-2019 09:57 AM
Quote:
Originally Posted by GrayGhost (Post 3864021)
What other mods are you running?


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Exhaust wise, Z1 headers, Motordyne ART pipes, and the Greddy catback

Whjaxn17 07-01-2019 10:10 AM
Couple more sound clips and a quick showing of the welds and the quality of part in case anyone was curious

https://www.instagram.com/p/BdThRpmn...d=fn5nrylh6otl

https://www.instagram.com/p/Btv7wLqn...d=wpu7qypyjjuj


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