2013 Dual mode (NPP) exhaust possible to close at idle? - ModernCamaro.com - 5th Generation Camaro Enthusiasts
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post #1 of 4 Old 02-09-2013, 07:16 AM Thread Starter
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2013 Dual mode (NPP) exhaust possible to close at idle?

My new Camaro with the NPP exhaust still hasn't been built yet, but I was wondering if anyone has found a way to close the exhaust at idle/ start-up on command. I want to do this because I leave for work early in the morning, sometimes 5AM, and don't want to wake up my neighbors. Unlike the Corvette system, the Camaro system is open at start up and idle. It would be great to have a controller that had three settings:

1. Normal operation
2. Always open
3. Always closed (Quiet/ stealth)

I have searched and all of the kits I have found only will allow normal operation or always open. Any help would be much appreciated!

-2013 Summit White over Inferno Orange 2SS RS LS3-
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post #2 of 4 Old 02-09-2013, 03:54 PM
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2012 2013 Camaro ZL1 Mild to Wild Exhaust On Demand Switch Exhaust Controller #MTW-ZL1 By Mild To Wild

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post #3 of 4 Old 02-09-2013, 04:03 PM
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The one for the ZL-1 says that your car can have quiet operation up to 3500 RPM. However, looking at the one for the SS that I posted, I would think that it can also be quiet but it states that it will work as normal in the "On" position and the "Off" position makes it loud all the time. So you'll have to talk with them directly to find out the details.

I can't imagine the stock exhaust being too loud. I had a stock exhaust with blow-through GMPP axle-back and it wasn't too bad. I now have headers and a 3 inch cat-back exhaust. It's loud but my neighbors all LOVE how it sounds!! Not one complaint. Maybe it won't be as bad as you think...

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post #4 of 4 Old 02-09-2013, 04:18 PM Thread Starter
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thanks for the reply.
i have test driven a camaro with the NPP exhaust and you are right, it isn't that loud, it would just be nice to have a "stealth" mode. I want the best of both worlds! Lol.

From all the research I have done, both the Mild to Wild and the Exhaust Commander both only give the ability to have the valve completely open. They make no claims about being able to close the valves. I probably should email them, though.

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