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Old 01-07-2012, 09:15 PM   #1
kmthor00
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Default Npp?

Is it safe to assume my 2012 GS 3LT has NPP exhaust? In winter storage & cant get to glove box.
Tx, Ken
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Old 01-07-2012, 09:16 PM   #2
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Only if it was ordered that way.

NPP is an option regardless of interior level chosen
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Old 01-07-2012, 09:17 PM   #3
DonOH
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NPP is on option of 3LT.

Have to ask the dealer if all of his 3LT's have NPP.
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Old 01-07-2012, 09:26 PM   #4
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NPP is a stand alone option and has nothing to do with trim levels! You can have a 1LT with it or a 4 LT without it!
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Old 01-07-2012, 09:31 PM   #5
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Quote:
Originally Posted by Supersonic GS View Post
NPP is a stand alone option and has nothing to do with trim levels! You can have a 1LT with it or a 4 LT without it!


Look at the pipes, you'll see valves inside them.
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Old 01-07-2012, 09:39 PM   #6
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It will be listed on window sticker.
I would think if it had it though, you would already know(no disrespect intended)

Bert

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Old 01-07-2012, 09:41 PM   #7
Polar Jet
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The butterfly valve at the tailpipes will tell you for sure. If you're still unsure, start it up. If you rev it up past 3000 rpms and the exhaust suddenly sounds meaner... you have NPP.
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Old 01-07-2012, 09:42 PM   #8
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Quote:
Originally Posted by ladder13 View Post


Look at the pipes, you'll see valves inside them.
Pipes at the rear? Unfortunately i only put 11 miles on it before storage! Tx all
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Old 01-07-2012, 09:42 PM   #9
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If you can see the actuators on top of the inside tubes, and the baffles inside them, tne you have the NPP exhaust. As others pointed out it is a standalone extra cost option.

http://image.vetteweb.com/f/9002745/...PP_exhaust.jpg
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Old 01-07-2012, 09:45 PM   #10
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Yup, the valves are there! Thanks all! Ken
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Old 01-07-2012, 10:34 PM   #11
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Quote:
Originally Posted by Supersonic GS View Post
NPP is a stand alone option and has nothing to do with trim levels! You can have a 1LT with it or a 4 LT without it!
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Old 01-07-2012, 10:36 PM   #12
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Quote:
Originally Posted by kmthor00 View Post
Yup, the valves are there! Thanks all! Ken
Cool you have NPP
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Old 01-07-2012, 11:42 PM   #13
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Quote:
Originally Posted by kmthor00 View Post
Yup, the valves are there! Thanks all! Ken

...now you need to install a M2W so the NPP can be controlled on-demand !
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Old 01-08-2012, 12:00 AM   #14
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Quote:
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...now you need to install a M2W so the NPP can be controlled on-demand !
That was my first and only mod....well worth doing!
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Old 01-08-2012, 12:16 AM   #15
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Quote:
Originally Posted by kmthor00 View Post
Pipes at the rear? Unfortunately i only put 11 miles on it before storage! Tx all
As warm as it's been up there ................ Why ?
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Bearcreek, MT Sept. 2012 across from the Hungry Bear Cafe. Great eats, great hosts.
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Old 01-08-2012, 12:17 AM   #16
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Quote:
Originally Posted by Gary '09 C6 View Post
...now you need to install a M2W so the NPP can be controlled on-demand !
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Old 01-08-2012, 12:17 AM
 
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