Cobalt Addiction header w/ my exhaust - Performance Forum

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Cobalt Addiction header w/ my exhaust
Thursday, June 19, 2008 4:10 AM
See CA stainless header V2

Click on headers and scroll down to the second one. What do you guys think? The price is very reasonable and it looks like a bolt on shorty. I have a CTI 2.5" catback coming in today and a magnaflow 2.5" in/out high flow cat and dynomax super turbo 2.5" in/out muffler waiting. The biggest pain in the ass about our system is the damn downpipe. What is the diameter, like 2"? Being that I'm replacing the cat, I guess it's not so bad to have this bit of small diameter pipe since it will open up just before the cat. I guess if i do not learn to weld im at the mercy of the local exhaust shop to fab a 2.5" DP.

I'll get pics of yummy parts and install after its all done

Anyway let me know what you think of the header, thanks!

Re: Cobalt Addiction header w/ my exhaust
Thursday, June 19, 2008 5:27 AM
I would just get the pacesetter lsj and have a shop fab up a 2.5" downpipe to go with your cat. Does that header bolt up to the factory downpipe on a j-body?

And your gona want some sort of a resonator And lemme know if your cti catback is 2 or 3 piece.


Re: Cobalt Addiction header w/ my exhaust
Thursday, June 19, 2008 5:40 AM
icemike89(not turbo) wrote:I would just get the pacesetter lsj and have a shop fab up a 2.5" downpipe to go with your cat. Does that header bolt up to the factory downpipe on a j-body?

And your gona want some sort of a resonator And lemme know if your cti catback is 2 or 3 piece.


I read that the L61 manifolds on the cobalt and the cavalier are the same - the factory exhaust manifolds are interchangable, therefor a shorty that fits a cobalt L61 should fit a cav L61.

I'll be running the dynomax super turbo, so i'm not extremely worried about having a resonator - it should be fairly quiet right?

I'll let you know about the CTI cat back as soon as I get home

Also what do you all think about the 1.75" primaries on an N/A car?
Re: Cobalt Addiction header w/ my exhaust
Thursday, June 19, 2008 5:59 AM
Any kind of superturbo muffler will be much than most others, but a resonator will take away alot of the rasp that comes from a header.

I have my 2.5" cti piping, catco cat, and dynomax bullet muffler sitting here next to me...just waiting on my superturbo to get here


Re: Cobalt Addiction header w/ my exhaust
Thursday, June 19, 2008 12:59 PM
Yes the CTI cat back came in three pieces - the over-axel that attaches to the muffler, the piece behind that and a piece of straight. I'm glad it's flanged though, so it will be easily clamped together after hanging/fitment.

Is there a such thing as a 2.5" to 1 7/8" ID reducer?


Pics soon!
Re: Cobalt Addiction header w/ my exhaust
Thursday, June 19, 2008 3:08 PM
oldskool wrote:See CA stainless header V2

Click on headers and scroll down to the second one. What do you guys think? The price is very reasonable and it looks like a bolt on shorty. I have a CTI 2.5" catback coming in today and a magnaflow 2.5" in/out high flow cat and dynomax super turbo 2.5" in/out muffler waiting. The biggest pain in the ass about our system is the damn downpipe. What is the diameter, like 2"? Being that I'm replacing the cat, I guess it's not so bad to have this bit of small diameter pipe since it will open up just before the cat. I guess if i do not learn to weld im at the mercy of the local exhaust shop to fab a 2.5" DP.

I'll get pics of yummy parts and install after its all done

Anyway let me know what you think of the header, thanks!


careful cobalt addiction TAKES FOREVER!!!!

Try ZZP



Re: Cobalt Addiction header w/ my exhaust
Thursday, June 19, 2008 4:09 PM
Thats good to know. ZZP is more expensive for the equivalent part though...maybe pacesetter from TTR is best after all. I'll make the decision later i guess.

Pile of parts:
Always happy to get a brown box







I don't know whats up with the green stuff on the straigh piece

Its cool that the pieces are flared on one end for easy install.

Re: Cobalt Addiction header w/ my exhaust
Saturday, June 21, 2008 12:56 PM
mmmm.. the good old build days..

So where are you getting a resonator from?

I'm kind of jealous.. wish i would have thought about putting after market cobalt SS headers..



Re: Cobalt Addiction header w/ my exhaust
Saturday, June 21, 2008 2:49 PM
Mines green too haha...



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