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Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5.com (https://www.camaro5.com/forums/index.php)
-   ZL1 Engine, Exhaust, and Bolt-Ons (https://www.camaro5.com/forums/forumdisplay.php?f=147)
-   -   ZL1 cat-back exhaust with variable mufflers (https://www.camaro5.com/forums/showthread.php?t=207441)

patrickt 05-31-2012 12:17 PM
Quote:
Originally Posted by L99 (Post 5045464)
Will it fix on a l99?
It will bu I do not know how it will sound when the active fuel management kicks in

patrickt 06-05-2012 10:07 PM
order yours today

9t8z28 06-08-2012 10:58 AM
Quote:
Originally Posted by patrickt (Post 4897788)
just started a tech thread on this as we are going to start installing it all in the next few days
Link to said thread?

thasleeper 06-08-2012 11:30 AM
Patrick is this the whole axle back system all the way to the dual tip? In the picture its hard for me to see if the tips are on the system.

slick rick 06-08-2012 11:43 AM
Quote:
Originally Posted by patrickt (Post 4600480)
Diffuser yes please email me at patrick@gmpartshouse.com but the tips are not separate
Is that the ZL1 diffuser or 2013 SS w/ NPP diffuser?

9t8z28 06-08-2012 12:19 PM
Quote:
Originally Posted by thasleeper (Post 5094069)
Patrick is this the whole axle back system all the way to the dual tip? In the picture its hard for me to see if the tips are on the system.
No, this is a cat-back.

patrickt 06-08-2012 04:29 PM
Quote:
Originally Posted by 9t8z28 (Post 5093861)
Link to said thread?
we are still working on it

patrickt 06-08-2012 04:30 PM
Quote:
Originally Posted by thasleeper (Post 5094069)
Patrick is this the whole axle back system all the way to the dual tip? In the picture its hard for me to see if the tips are on the system.
it is a complete catback system all welding together

patrickt 06-08-2012 04:32 PM
Quote:
Originally Posted by slick rick (Post 5094141)
Is that the ZL1 diffuser or 2013 SS w/ NPP diffuser?
This is the ZL1 exhaust the car is at the body shop having the rear diffusor installed as we speak

patrickt 06-08-2012 04:32 PM
Quote:
Originally Posted by 9t8z28 (Post 5094416)
No, this is a cat-back.
The first post has a picture before its installed

jeffgtx 06-11-2012 10:27 PM
how does the car control the exhaust mode since it didn;t come with bimodal from the factory?

patrickt 06-12-2012 09:13 AM
Quote:
Originally Posted by jeffgtx (Post 5110285)
how does the car control the exhaust mode since it didn;t come with bimodal from the factory?

The car does not control it. With the NPP in a box kit we have available you control it loud or quite via a remote as seen in the second video (post 45)

patrickt 06-15-2012 10:29 PM
if anyone is going to the GM nationals and would like me to bring something please email me at patrick@gmpartshouse.com

jeffgtx 06-16-2012 11:35 AM
I need some education here.

so the npp in a box routes from the engine to the exhaust and would control the bi modal setting as would a zl1 based on how hard you are pushing the car.

the nap includes the m2w system so you can override it with a controller.

but, if you don't want to use the controller, the bimodal would still switch on its own based on what it was getting from the npp tube running from the ls3.

do i understand the npp system correctly?


what if i buy this system without the NPP. can i manually set the system with my hands before i start the car and it will stay there the entire ride? or does it just flop around?

patrickt 06-18-2012 10:20 AM
Quote:
Originally Posted by jeffgtx (Post 5137241)
I need some education here.

so the npp in a box routes from the engine to the exhaust and would control the bi modal setting as would a zl1 based on how hard you are pushing the car.

the nap includes the m2w system so you can override it with a controller.

but, if you don't want to use the controller, the bimodal would still switch on its own based on what it was getting from the npp tube running from the ls3.

do i understand the npp system correctly?


what if i buy this system without the NPP. can i manually set the system with my hands before i start the car and it will stay there the entire ride? or does it just flop around?
You are correct on most parts but the NPP in a box will not auto control the exhaust, and all controls are manual by the remote control. If you would like to get this and not get the NPP in a box we also do sell a manual kit to where it is not electronic adjustable

jeffgtx 06-18-2012 02:49 PM
Thanks Patrick. Why does the npp get routed to the engine if it is not getting input on what to do? Is that supplying the oomph to push the valves? I guess I thoUght they were electronic servos.

patrickt 06-18-2012 03:55 PM
Quote:
Originally Posted by jeffgtx (Post 5147316)
Thanks Patrick. Why does the npp get routed to the engine if it is not getting input on what to do? Is that supplying the oomph to push the valves? I guess I thoUght they were electronic servos.
it goes to the engine to aquire vacuum as the mode valves are vacuum operated. You could avoild going to the engine if you installed an electic vaccuum pump

jeffgtx 06-19-2012 12:03 AM
Ok. Thanks. I wasn't quite clear on how all this works.

patrickt 06-19-2012 09:57 AM
Quote:
Originally Posted by jeffgtx (Post 5150560)
Ok. Thanks. I wasn't quite clear on how all this works.
Your quite welcome

patrickt 06-27-2012 10:16 PM
Thank you to everyone that visited us at the GM Nationals! It was a pleasure to meet you

slick rick 07-05-2012 04:12 PM
Now that the 2013 SS with NPP is arriving at dealers, is there a part number for the rear diffuser?

patrickt 07-05-2012 05:39 PM
Quote:
Originally Posted by slick rick (Post 5241767)
Now that the 2013 SS with NPP is arriving at dealers, is there a part number for the rear diffuser?
yes there is please email me at patrick@gmpartshouse.com for pricing

slick rick 10-03-2012 02:09 PM
1 Attachment(s)
Thanks Patrick, the exhaust sounds and looks great.

patrickt 10-04-2012 07:43 AM
Quote:
Originally Posted by slick rick (Post 5650233)
Thanks Patrick, the exhaust sounds and looks great.
Your quite welcome looks GREAT!:thumbsup:

The 2010 Sin 10-05-2012 11:16 PM
Whats the price difference on this catback and the one on the 2013 2SS with the LS3. I have that dual mode on my 13 and I think the only difference is the tips.. Also how much is the 2013 SS diffuser for the dual tips.


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