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      11-17-2017, 03:47 PM   #23
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Question for everyone who has done this sucessfully. I've had mine on my car for a few thousand miles. When I have it closed (power going to the solenoid) there is a faint electrical hum/noise. Has anyone else experienced this? I have tried 2 different types of wireless relays and it is not the wireless relay. If I supply 12v and ground from the battery directly to the solenoid I still hear the noise. Is this normal?
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      01-23-2018, 02:42 AM   #24
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Quote:
Originally Posted by JP.Williams View Post
I've actually made this and can confirm it works as expected! you can wire it to be always open or always closed.

Mine by default works like stock, so its not so noisy in the early morning, but a click of a button and it stays open until i turn the car off.


How should I wire it to be always closed?
Were you able to keep the valve closed past 3000 rpm?
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      02-13-2018, 12:24 PM   #25
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This does work successfully. If you want it to always be closed and open only on command you just need the right relay set up. I actually have made about 5 of these for people who were interested in them. Mine is always closed when I start the car no matter what, until I click to open. I have also been able to have it open all the time and be able to close on command. You can get this to work either way. The major issue I am running into is "frequency noise". It is coming from the solenoid that controls the valve. I am not sure if it is just mine that is at fault or if others are having the same issue.

I am considering starting to sell them.
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      02-15-2018, 02:52 PM   #26
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Quote:
Originally Posted by nkeene2022 View Post
This does work successfully. If you want it to always be closed and open only on command you just need the right relay set up. I actually have made about 5 of these for people who were interested in them. Mine is always closed when I start the car no matter what, until I click to open. I have also been able to have it open all the time and be able to close on command. You can get this to work either way. The major issue I am running into is "frequency noise". It is coming from the solenoid that controls the valve. I am not sure if it is just mine that is at fault or if others are having the same issue.

I am considering starting to sell them.
Can you show how you wired it? I never did finish making mine.
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      02-16-2018, 09:16 AM   #27
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Quote:
Originally Posted by NoGuru View Post
Quote:
Originally Posted by nkeene2022 View Post
This does work successfully. If you want it to always be closed and open only on command you just need the right relay set up. I actually have made about 5 of these for people who were interested in them. Mine is always closed when I start the car no matter what, until I click to open. I have also been able to have it open all the time and be able to close on command. You can get this to work either way. The major issue I am running into is "frequency noise". It is coming from the solenoid that controls the valve. I am not sure if it is just mine that is at fault or if others are having the same issue.

I am considering starting to sell them.
Can you show how you wired it? I never did finish making mine.
+1 please
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      02-20-2018, 12:33 PM   #28
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Can someone please post the original pictures and wiring diagrams if they have them? I want to do this but this thread is of much less value without the pictures and diagrams.
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      02-20-2018, 08:14 PM   #29
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Hey guys. It is tough to make a distinct wiring diagram because there are so many ways to do it, plus there are so many different types of relays that can be used. I have a few of these made in different forms if people are looking to purchase. I don't think cost is significantly higher than what it would cost you in parts and time. Feel free to message me.
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      02-22-2018, 07:55 AM   #30
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Quote:
Originally Posted by nkeene2022 View Post
Hey guys. It is tough to make a distinct wiring diagram because there are so many ways to do it, plus there are so many different types of relays that can be used. I have a few of these made in different forms if people are looking to purchase. I don't think cost is significantly higher than what it would cost you in parts and time. Feel free to message me.
Thing is I have all the parts to do it, I just need a wiring diagram.
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      03-15-2018, 12:57 PM   #31
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Hey guys I just finished mine up last week and it works great. Here's a crappy diagram of how you should wire it up. Every relay is different when it comes to the positioning of the terminals so wire it per how your terminals are labeled. You can also buy a EV1 extension cable off amazon for $9.99 with plenty of wire btw. Look this up "MotorWest Performance C122 - EV1 Female to EV1 Male 24 inch Extender"

If it does not cut on, make sure you have a good ground connection where the taillight bolts up! I sanded the frame for contact and added a washer as well.

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      05-11-2018, 02:58 AM   #32
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Does anyone try to control another valve like this ?
https://www.ebay.com/itm/Vacuum-Acti...sAAOSwa0VZ~Cik

So in theory, you if you want it to sound louder than stock, you can add another vacuum valve and you can control it by remote control, the question is there is enough OEM vacuum pressure to open the add on valve (it said it will open at aprox. 1 bar) ?
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      07-10-2018, 06:50 PM   #33
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Quote:
Originally Posted by nkeene2022 View Post
Hey guys. It is tough to make a distinct wiring diagram because there are so many ways to do it, plus there are so many different types of relays that can be used. I have a few of these made in different forms if people are looking to purchase. I don't think cost is significantly higher than what it would cost you in parts and time. Feel free to message me.
I'm interested in buying one from you instead of blowing $120+ on an exhaustmeister kit what are charging for one, and would you warrant it if it doesn't work or fails after brief use?
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      07-25-2018, 08:44 AM   #34
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Quote:
Originally Posted by doggz View Post
Does anyone try to control another valve like this ?
https://www.ebay.com/itm/Vacuum-Acti...sAAOSwa0VZ~Cik

So in theory, you if you want it to sound louder than stock, you can add another vacuum valve and you can control it by remote control, the question is there is enough OEM vacuum pressure to open the add on valve (it said it will open at aprox. 1 bar) ?
OK...so I finished the install, I can control a new valve mounted on the right exhaust pipe, using the original vacuum line from the car, so no need for another vacuum pump...works perfectly for those who wants more noise than stock and louder burbles (they are addicted by the way...)



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      12-08-2018, 11:25 PM   #35
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Quote:
Originally Posted by doggz View Post
OK...so I finished the install, I can control a new valve mounted on the right exhaust pipe, using the original vacuum line from the car, so no need for another vacuum pump...works perfectly for those who wants more noise than stock and louder burbles (they are addicted by the way...)



Which parts did you end up buying to control it? Original links are not working.
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      12-08-2018, 11:53 PM   #36
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a
Quote:
Originally Posted by djbobbless View Post
Hey guys I just finished mine up last week and it works great. Here's a crappy diagram of how you should wire it up. Every relay is different when it comes to the positioning of the terminals so wire it per how your terminals are labeled. You can also buy a EV1 extension cable off amazon for $9.99 with plenty of wire btw. Look this up "MotorWest Performance C122 - EV1 Female to EV1 Male 24 inch Extender"

If it does not cut on, make sure you have a good ground connection where the taillight bolts up! I sanded the frame for contact and added a washer as well.

Hey I'm a bit confused. So the male wire is the one that the power is coming from? I thought it was the one that was going to the vacuum. So when you unplug the connector, the one that dangles is the once going to the vacuum control valve

Does that mean we have to cut of the male conector that is in the car so we can have the wires exposed or use your extender you are talking about and cut the male part to have bare wire?

Last edited by TheMidnightNarwhal; 12-09-2018 at 12:11 AM..
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      12-09-2018, 03:32 PM   #37
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Quote:
Originally Posted by NoGuru View Post
Thing is I have all the parts to do it, I just need a wiring diagram.
Hey did you end up doing this and working?

I'm just wondering how did you tap into factory wires for the power IN+ and IN- on the wireless board?

And to be clear based on the diagram, the bottom connector is the one coming from the computer and the top one goes to the vacuum controller valve? I thought it was the opposite so it's why this diagram is throwing me off here.

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      12-10-2018, 02:10 PM   #38
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Quote:
Originally Posted by TheMidnightNarwhal View Post
Hey did you end up doing this and working?

I'm just wondering how did you tap into factory wires for the power IN+ and IN- on the wireless board?

And to be clear based on the diagram, the bottom connector is the one coming from the computer and the top one goes to the vacuum controller valve? I thought it was the opposite so it's why this diagram is throwing me off here.

No, I never got around to it. I have parts to do it but I have a new born and he sucked up all my car time this year.
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      12-10-2018, 04:05 PM   #39
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Quote:
Originally Posted by TheMidnightNarwhal View Post
Hey did you end up doing this and working?

I'm just wondering how did you tap into factory wires for the power IN+ and IN- on the wireless board?

And to be clear based on the diagram, the bottom connector is the one coming from the computer and the top one goes to the vacuum controller valve? I thought it was the opposite so it's why this diagram is throwing me off here.


I would have to look at my setup again but I'll try to take some pictures of the unit pulled out.
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      07-27-2019, 06:17 AM   #40
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Bumping this thread as I've just done this mod and found you can program the Homelink buttons on the rearview mirror to work the relay if you don't want to use the remote.

Thought it might be useful for someone
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      10-17-2019, 05:33 PM   #41
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Quote:
Originally Posted by Cranky View Post
Bumping this thread as I've just done this mod and found you can program the Homelink buttons on the rearview mirror to work the relay if you don't want to use the remote.

Thought it might be useful for someone
Need more details please!
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      04-08-2020, 09:54 AM   #42
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I know this is an old thread but I have all the stuff to make it but don’t know how because all the diagrams are not visible. Hope some one can share it. A bmw e92 n54 enthusiast.
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      04-08-2020, 09:56 AM   #43
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Quote:
Originally Posted by Cranky View Post
Bumping this thread as I've just done this mod and found you can program the Homelink buttons on the rearview mirror to work the relay if you don't want to use the remote.

Thought it might be useful for someone
Holy shit that sounds amazing, I gave up on the project since I am happy the way my exhaust is but I'd like to learn electrical diagrams and all that through this project and wiring the home link buttons to be useful would be great.

Can you share more info like the parts you got and how you wired it in?
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      04-09-2020, 02:19 AM   #44
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The parts are on page 1. Wiring??
Hope that someone can share this!!
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