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Old 09-07-2013, 09:40 PM   #1
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Question Questions About 1LE Rear Diffuser Install

I have a 2011 Camaro SS LS3 with the stock SS rear diffuser. I am wanting to buy the 1LE rear diffuser because I am getting quad tips. The part number is 22815277
My question is do I need to buy anything else for the install? Would I have to use any parts from the stock SS diffuser? Thanks.
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Old 09-07-2013, 10:52 PM   #2
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You should buy just the diffuser. I reused my screws and clips off my old one. However I do recommend a second set of hands, it makes it much easier to install.
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Old 09-07-2013, 11:02 PM   #3
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you will use these 100 times in the next year or two...

http://www.amazon.com/No-Scratch-Too...ds=trim+tiools
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Old 09-07-2013, 11:10 PM   #4
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You should buy just the diffuser. I reused my screws and clips off my old one. However I do recommend a second set of hands, it makes it much easier to install.
Where can I buy the diffuser without the screws then?
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Old 09-07-2013, 11:19 PM   #5
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I bought mine from GM parts house, and it didn't come with screws, so I'm not sure if they come with screws. Or if someone forgot to put mine in the box.
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Old 10-29-2013, 04:53 PM   #6
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So just to clarify, as I am buying the ZL1 Corsa cat back, on an SS car you ONLY need the diffuser (~$100)? Thats all you need to install it?

I have been looking for a cheap option to run quads without cutting mine... If this works I will order one ASAP. I remember looking at the ZL1 diffuser and you had a whole list of stuff you had to buy with it. If its only buying this, I will go pick one up today.
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Old 11-03-2013, 02:22 AM   #7
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I just ordered mine. I don't believe you need any parts, as it is labeled replacement part.
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Old 11-03-2013, 10:35 AM   #8
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Quote:
Originally Posted by turbolvr321 View Post
So just to clarify, as I am buying the ZL1 Corsa cat back, on an SS car you ONLY need the diffuser (~$100)? Thats all you need to install it?

I have been looking for a cheap option to run quads without cutting mine... If this works I will order one ASAP. I remember looking at the ZL1 diffuser and you had a whole list of stuff you had to buy with it. If its only buying this, I will go pick one up today.
That is correct. Here is my Corsa ZL1 exhaust with 1LE diffuser on my 2010 SS




Plus anyone who needs info on this diffuser I created a thread that has been very active with info:
http://www.camaro5.com/forums/showthread.php?t=285088
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Old 11-03-2013, 12:41 PM   #9
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Why does everyone call it the 1LE diffuser. The 1LE comes with the same two different diffusers that every other LS3 comes with. NPP or standard.
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Old 11-04-2013, 04:41 PM   #10
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Quote:
Originally Posted by Blue10CamaroSS View Post
That is correct. Here is my Corsa ZL1 exhaust with 1LE diffuser on my 2010 SS




Plus anyone who needs info on this diffuser I created a thread that has been very active with info:
http://www.camaro5.com/forums/showthread.php?t=285088
Thanks for the reply. Good to know.

Quote:
Originally Posted by LuSe4 View Post
Why does everyone call it the 1LE diffuser. The 1LE comes with the same two different diffusers that every other LS3 comes with. NPP or standard.
I thought all 1LE came with quad tips?

I just call it a 1LE diffuser because most people I talk to dont know a "2013 and up with NPP option diffuser" is. They do know what a 1LE looks like though.
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Old 11-04-2013, 05:10 PM   #11
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Quote:
Originally Posted by turbolvr321 View Post
Thanks for the reply. Good to know.



I thought all 1LE came with quad tips?

I just call it a 1LE diffuser because most people I talk to dont know a "2013 and up with NPP option diffuser" is. They do know what a 1LE looks like though.
no, not all 1LE's come with NPP. It is an option.
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Old 11-05-2013, 03:21 PM   #12
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no, not all 1LE's come with NPP. It is an option.
Hm. Learn something new every day I guess.
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Old 11-05-2013, 03:28 PM   #13
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Quote:
Originally Posted by LuSe4 View Post
no, not all 1LE's come with NPP. It is an option.
I have seen 2014 1Le's without quad exhaust, but I have never seen a 2013 1Le with single tips on each side. Im sure ur right, just dont know if 2013 was diff than 2014 for the 1LE package
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Old 11-05-2013, 04:33 PM   #14
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I have seen 2014 1Le's without quad exhaust, but I have never seen a 2013 1Le with single tips on each side. Im sure ur right, just dont know if 2013 was diff than 2014 for the 1LE package
Here is an eBay link to a 2013 1le without NPP.
http://www.ebay.com/itm/Chevrolet-Ca...US_Cars_Trucks
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Old 11-06-2013, 05:31 PM   #15
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I just got my 1LE diffuser from gm parts taxi. That's the cheapest place. Under $100 shipped and it does come screws and stuff.
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Old 11-12-2013, 10:12 AM   #16
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I just got my 1LE diffuser from gm parts taxi. That's the cheapest place. Under $100 shipped and it does come screws and stuff.
Doesnt come with screws. Just re use the factory ones. I just put mine on from parts taxi a couple days ago.
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Old 11-13-2013, 12:06 PM   #17
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It seems as thought the "dual mode" exhaust is a separate option unto itself now. If its even available for 2014?
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Old 11-13-2013, 12:22 PM   #18
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Yes its more correct to call it an NPP diffuser, but even companies that sell it call it the 1LE diffuser and since I have a 1LE I dont mind...HAHA. Either way its certainly not something to be concerned about, everybody knows what is being talked about when referred to as the 1LE diffuser, so who cares.
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Old 11-13-2013, 12:22 PM   #19
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Originally Posted by Bradstracks.com View Post
It seems as thought the "dual mode" exhaust is a separate option unto itself now. If its even available for 2014?

yes avail for 2014, as an option of course.
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Old 11-17-2013, 09:50 PM   #20
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What does NPP stand for?
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Old 11-17-2013, 10:39 PM   #21
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I'd like to replace my 1le diffuser with the npp diffuser!
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Old 11-17-2013, 11:22 PM   #22
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I'd like to replace my 1le diffuser with the npp diffuser!
Well if your 1LE did not come with the NPP option then yes you can do a NPP diffuser on your 1LE.....
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Old 11-18-2013, 07:37 PM   #23
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Well if your 1LE did not come with the NPP option then yes you can do a NPP diffuser on your 1LE.....
Was a joke
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Old 11-18-2013, 07:53 PM   #24
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Lol imma close this thread
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