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Jan 17, 2009 | 10:00 AM

#61

The Curly 1

Senior Member

Joined: 03-08-2008

Posts: 505

From: United States of Texas

So are they interchangeable or not?

1. Are they interchangeable or not?

2. If so why?

3. I have a 2008 2.2 would it be worth while to use the 2.0 SS/SC exhaust?

I want to improve the exhaust and I do not want to go to headers because of the problems they all have. If a 2.0 gives me a significant improvement then that is the direction I would like to go. But I do not want to get the new exhaust and find out it is the same as what is on there or would not work for some reason.

I am also not going to do the welding and complete porting although the one Mike did looks really nice. I may clean up the ports some but nothing major.

Jan 17, 2009 | 12:07 PM

#62

JoeR

Senior Member

Joined: 10-02-2005

Posts: 1,245

From: VA

Quote:

Originally Posted by The Curly 1

1. Are they interchangeable or not?

For the most part, yes. Unless there is an issue about primary O2 sensor mount location, already mentioned.

2. If so why?

Dunno. You have to answer whether or not it's worth it. My pics clearly shows how restrictive the earlier 2.2 is.

3. I have a 2008 2.2 would it be worth while to use the 2.0 SS/SC exhaust?

Get tight with a GM parts person. Find out the P/Ns for both the earlier and later manifolds and when they actually changed.

The P/N for both the earlier 2.4 and the 2.0 LSJ is 12581284 (identical). If there was a later change on the 2.4, not honestly sure when and what the difference is.

I want to improve the exhaust and I do not want to go to headers because of the problems they all have. If a 2.0 gives me a significant improvement then that is the direction I would like to go. But I do not want to get the new exhaust and find out it is the same as what is on there or would not work for some reason.

Sometimes ya just gotta do some research. If you can't put your hands on an '08 2.2, shoot, it's only 3 nuts to drop your downpipe, look and measure the outlet.

I am also not going to do the welding and complete porting although the one Mike did looks really nice. I may clean up the ports some but nothing major.

Yes, Mike did a very nice job on his. Unfortunately not something can or want to do.

Jan 17, 2009 | 12:19 PM

#63

The Curly 1

Senior Member

Joined: 03-08-2008

Posts: 505

From: United States of Texas

Mikes looks very nice

Mikes exhaust looks very nice and I think it would probably noticably increase performance. My concern there with welding and porting cast iron is will it crack and leak later?

And is the 2008 2.2 exhaust smaller than the 2.0? Will have to try to find out.

Jan 17, 2009 | 12:43 PM

#64

masterchief1112

Senior Member

Joined: 06-04-2008

Posts: 1,882

From: Toledo, OH

after those pic joe i may be pulling off my manifold to see what it looks like.

Jan 17, 2009 | 12:53 PM

#65

JoeR

Senior Member

Joined: 10-02-2005

Posts: 1,245

From: VA

Quote:

Originally Posted by masterchief1112

after those pic joe i may be pulling off my manifold to see what it looks like.

Chief, ain't it too cold up there to do that??

I'd be talking to GM parts people to get the answers!

Jan 17, 2009 | 02:41 PM

#66

GTOMIKE

Senior Member

Joined: 06-27-2006

Posts: 732

From: Kingsville On

Ok just went out to the shop and dug out a new 2006 2.4 header part #12581284 then went to www.gm-auto-parts.com put in the # and solved the GM header case.

It is the same as the one that came off my 07 2.2 in 07 they removed the part # on the casting.The header comes in a box with the part # on the box GM is just messing with your head.Going back to my old post about saving your self $300.00

and not buying the GMPP header.

It`s just GM running the different parts game they removed the part # so you think there is a difference.This should be called the 2.0 ss/sc 2.2 and 2.4 performance mod as all three would benifit the 2.4 would make the most gains I would think as all 3 engines are trying to push exhaust gases out a small opening.

Your search resulted in 8 Items

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1st design

»Manifold
Chevrolet › Hhr › 2008
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1st design

»Manifold
Chevrolet › Cobalt › 2008
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Exhaust manifold
HHR, 2.4L
»Exhaust manifold
Chevrolet › Hhr › 2006-2007
List Price : $136.48
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Exhaust manifold

»Manifold
Chevrolet › Hhr › 2006-2007
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Exhaust manifold
Cobalt, 2.0L
»Exhaust manifold
Chevrolet › Cobalt › 2005-2008
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Exhaust manifold
Cobalt, 2.4L
»Exhaust manifold
Chevrolet › Cobalt › 2006-2008
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Exhaust manifold

»Manifold
Chevrolet › Cobalt › 2005-2007
List Price : $141.85
Your Price : $113.48
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Exhaust manifold

»Manifold
Chevrolet › Cobalt › 2006-2007
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Jan 18, 2009 | 01:17 AM

#67

masterchief1112

Senior Member

Joined: 06-04-2008

Posts: 1,882

From: Toledo, OH

yeah its a lil cold but its supposed to be up in the 30s this week. yeah that 40 degrees warmer than it was this weekend. but i may wait for some 50 degree weather.

Mar 5, 2009 | 06:57 AM

#68

slowhhr

Member

Joined: 01-25-2009

Posts: 31

From: louisville k.y

Will the stock exhaust manifold off a 07 ss/sc bolt up to our hhrs/

Mar 5, 2009 | 12:02 PM

#69

GTOMIKE

Senior Member

Joined: 06-27-2006

Posts: 732

From: Kingsville On

Quote:

Originally Posted by slowhhr

Will the stock exhaust manifold off a 07 ss/sc bolt up to our hhrs/

Exhaust manifold
Cobalt, 2.0L
»Exhaust manifold
Chevrolet › Cobalt › 2005-2008
List Price : $136.48
Your Price : $109.18
Quantity:
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Add To Cart

Yes it is the same part the list of 8 returns I posted above is all applications using the same part #

Mar 5, 2009 | 07:06 PM

#70

intofocuszx3

Thread Starter

Senior Member

Joined: 06-19-2006

Posts: 106

From: orlando

Quote:

Originally Posted by AaronSS

We don't have headers, we have a header. I realize it's common slang to use the plural form, but I've caught hell for it at meets and such. Thought I'd save you from the same.

I said Headers because there is different kinds of headers (dick)

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