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-   -   NPP Exhaust Retrofit (http://www.camaro5.com/forums/showthread.php?t=316262)

dixonk 09-02-2013 12:00 PM

NPP Exhaust Retrofit
 
I have a fix on a complete NPP system including the lines, complete muffler system, and diffuser. Is there a way to put it in the car and have full factory functionality without having to use aftermarket controllers? I know it will fit I am referring to the functionality of the system I want the car to be like stock.

Anaconda 09-02-2013 12:03 PM

http://www.camaro5.com/forums/showthread.php?t=314023

This thread may help. :)

dixonk 09-02-2013 02:43 PM

NPP Exhaust Retrofit
 
Quote:

Originally Posted by Anaconda (Post 6971511)

I read that and I read several others but couldn't find a "factory" solution. I want it to function using stock vacuum lines and fuse box without the need for aftermarket controllers or wiring.

slick rick 09-03-2013 12:16 PM

Probably need to figure out where the vacuum line gets it's main connection and then reprogram the ECM or BCM depending which one actually controls the NPP.

From the NPP in a box instructions, there's an unused vacuum port on the back of the LS3 intake manifold.

dixonk 09-03-2013 01:49 PM

Quote:

Originally Posted by slick rick (Post 6974482)
Probably need to figure out where the vacuum line gets it's main connection and then reprogram the ECM or BCM depending which one actually controls the NPP.

From the NPP in a box instructions, there's an unused vacuum port on the back of the LS3 intake manifold.

Thanks. What I needed to know.

Southern Comfort 09-03-2013 02:07 PM

You can just leave them open. Many are pulling the fuse anyway to get the same effect.
If you just want On/Off see this thread for an alternate solution
http://www.camaro5.com/forums/showthread.php?t=314023


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