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Old 07-03-2018, 12:02 PM   #1
forzasteve
 
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DIY - NPP Exhaust Controller

To those of you interested, here is how to make your own exhaust controller. I am showing you two methods ...
  1. Use a manual switch. Very easy, very inexpensive. Total cost would be less than $10 plus your time to get the parts, run the wires and install the switch inside the cabin.
  2. Use a remote control relay. Easier than doing the switch. Total cost about $20 plus your time.
I have developed the Forza Exhaust Controller that is the best quality you can buy. The advantage of purchasing the controller is that you get it tried and proven and it has more options. The Forza Controller, Mild2Wild and any other controller that is available uses the same overall concept. But, that plug aside, I wanted to share with you all here that if you are a bit handy with DIY projects, this is an easy mod.


Look at the attachments. One illustrates the electrical schematic for each option (manual switch or remote relay) and the other illustrates how to modify one of the power taps to accommodate the circuit for the flapper valves.


Parts Required for Manual Switch Option
  • Manual SPST Switch (On - Off) ... price varies ... $3
  • Power Tap (aka add-a-fuse) ... about $3
  • 0.110 x 0.032 male tab disconnect ... about $0.25
  • 18 AWG wire ... about $2


Parts Required for Remote Relay Option
  • Single channel remote control relay ... about $10
  • Two taps ... about $6 total
  • 0.110 x 0.032 male tab disconnect ... about $0.25
  • 18 AWG wire ... about $2

Note: Getting the male tab disconnect might be problematic when you only need a single piece. As an alternative, you can also strip the end of the wire about 3/16", twist the copper conductors tightly and then tin the end with solder. This will make the end rigid. You can then insert the rigid end into the power tap where the male disconnect would go. Secure the wire to the main wire of the power tap with a bit of electrical tape or shrink wrap tubing.

Also, the illustrations indicate ATO Fuses and power tap. The ATO fuses are for Aston Martin. Camaro Gen5 uses Mini fuses (aka ATM). The Camaro Gen6 uses Micro2 series fuses.




Regards,


Steve
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Last edited by forzasteve; 07-03-2018 at 12:30 PM.
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Old 07-18-2018, 11:53 AM   #2
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Hey Steve,


Do you know where to buy the 0.110 x 0.032 male tab disconnects? I find them on Amazon, but it's a pack of 100 for $16. I'm local to you as well if you know of any places in the valley. Fry's maybe?
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Old 07-18-2018, 09:34 PM   #3
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Can you please explain what exactly is being controlled when this switch is on or off?
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Old 07-19-2018, 01:15 AM   #4
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I built a remote relay for my npp. It's super simple to do. Best part is I use the garage door opener buttons to switch it on and off not the crappy controllers it comes with

Last edited by squish72; 07-26-2018 at 09:46 AM.
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Old 07-19-2018, 12:31 PM   #5
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Will this work with non npp cars switching to npp?
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Old 07-26-2018, 06:53 AM   #6
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Quote:
Originally Posted by FdeleonZ28 View Post
Will this work with non npp cars switching to npp?
I’m guessing that’s is a big no...
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Old 08-04-2018, 06:34 AM   #7
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Quote:
Originally Posted by jeffm5690 View Post
I’m guessing that’s is a big no...
yea i noticed its tied to the fuse box..
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Old 08-16-2018, 02:00 AM   #8
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https://www.amazon.com/dp/B00LMICSIQ...d_w=JmBLh&th=1 and this https://www.amazon.com/Lumision-SHIP...fuse+tap&psc=1 is what you get for $80 from mild2wild
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Old 08-16-2018, 07:36 AM   #9
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Can't you just change the setting on the infotainment to achieve the same thing? Track = open, Stealth = closed? Or is Track not open all the time?
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Old 08-16-2018, 08:05 AM   #10
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Quote:
Originally Posted by 24v View Post
Can't you just change the setting on the infotainment to achieve the same thing? Track = open, Stealth = closed? Or is Track not open all the time?
Track is not open 100% of the time.
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Old 08-17-2018, 08:57 AM   #11
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Short

Quote:
Look at the attachments. One illustrates the electrical schematic for each option (manual switch or remote relay) and the other illustrates how to modify one of the power taps to accommodate the circuit for the flapper valves.
What are you trying to do? I have never in my life seen a fuse connected to 12VDC on one side and ground on the other. As soon it's plugged in, it blows.
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Old 08-17-2018, 09:01 AM   #12
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I'm not seeing any fuse that's grounded. The only thing grounded in the schematic is the relay.
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Old 08-17-2018, 09:18 AM   #13
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Look at the big red circle, polarity on a fuse.
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Old 08-17-2018, 09:26 AM   #14
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Quote:
Originally Posted by MGD View Post
Look at the big red circle, polarity on a fuse.
What does polarity have to do with a ground?
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