Installed my LSJ downpipe - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 28 (permalink) Old 03-29-2009, 01:16 AM Thread Starter


 
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Installed my LSJ downpipe

It was a ***** that's all I have to say... btw pics are in the video. I didn't get a pic of the LSJ downpipe cause it looks the same just slightly bigger and 1 cat (not sure why my stock has 2?)

Installation:

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Difference:

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post #2 of 28 (permalink) Old 03-29-2009, 07:19 AM
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Probably 2 cats to meet the higher emissions standard for '08?

What is the outside diameter of the pipe on your original 2.4 DP? My 07 2.4 DP has a 2" OD pipe diameter.

What's with the dancing in the middle of the video...LoL!

You need a Cat-back exhaust now...

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post #3 of 28 (permalink) Old 03-29-2009, 08:00 AM
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Right on! But will you please remove those css.net stickers! and uh.. Nice victory dance! lol



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post #4 of 28 (permalink) Old 03-29-2009, 09:39 AM Thread Starter


 
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Quote:
Originally Posted by Red07SSNA View Post
Probably 2 cats to meet the higher emissions standard for '08?
I'm not gonna fail emissions now am I?

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Originally Posted by Red07SSNA View Post
What is the outside diameter of the pipe on your original 2.4 DP? My 07 2.4 DP has a 2" OD pipe diameter.
dunno didn't measure

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Originally Posted by Red07SSNA View Post
What's with the dancing in the middle of the video...LoL!
:lol: cause it took us like 3 hrs to do the job and it was our first real mechanical work on a car and we completed it without giving up. we had to work around this stubborn heatsheild that wouldnt come off.

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You need a Cat-back exhaust now...
no =P my exhaust will be too loud then
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post #5 of 28 (permalink) Old 03-29-2009, 09:42 AM
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No you will be fine with emissions.. and there are quiet exhausts out there.



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post #6 of 28 (permalink) Old 03-29-2009, 09:57 AM Thread Starter


 
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ones that are nyc noise law compliance?
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post #7 of 28 (permalink) Old 03-29-2009, 10:08 AM
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Well I'm not too sure about NYC's noise laws but I know the GMPP touring is pretty quiet. If your really worried about it. Just buy a stock SS/SC exhaust



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post #8 of 28 (permalink) Old 03-29-2009, 10:28 AM Thread Starter


 
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the LE5 has 2.50 piping except the pipe behind the axel is 2.25 so all I really need is a muffler and custom piping for that 2.25. GMPP is a downgrade as its all 2.25. The only restriction I'd have left is the exhaust manifold. But I don't want an aftermarket one as it will throw a CEL. The gmpp one I read is a waste of money. So I guess I'll just leave it stock.

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post #9 of 28 (permalink) Old 03-29-2009, 10:34 AM
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Oh, really I didn't know the 2.4 had that big of piping.. Well your probably good then. All a muffler is going to do is make it louder.. I'd say just get a header and call it a day!



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post #10 of 28 (permalink) Old 03-29-2009, 10:35 AM Thread Starter


 
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Then I'd get a CEL and voided warranty
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