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Late model headers on 98 LS1 - emission help

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Old Jul 25, 2014 | 04:20 PM
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Default Late model headers on 98 LS1 - emission help

I have a 98 LS1 vette and am looking to buy a set of Kooks headers from a guy. He told me that these headers were on an 03. He said they will mount up and work but that I will need an air tube from a 2001+ vette or cap the egr bung on the headers.

I live in Atlanta and have to get emissions inspections. When I look up the price of an air tube they are all over $100. Does this all sound accurate? After installing the headers I'm going to get it tuned. Could I just cap off the egr bung and get the emissions stuff tuned out? Or am I better off looking for an air tube?

I've never had aftermarket headers so this is all new to me. I appreciate the help.
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Old Jul 25, 2014 | 04:47 PM
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depends on how difficult they are.. some states they dont look or care if the AIR is missing if it passes. Colorado they will fail you visual like cali.. you can find used AIR tubes on here, guys pull them off all the time when doing headers..

my guess if you find someone with used ones, you will pay around 50-100 total. check the venders that recycle vettes, i bet then can hook you up with them or maybe post in the WTB section of the classifieds.

S
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Old Jul 25, 2014 | 04:52 PM
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Originally Posted by Narco944
I have a 98 LS1 vette and am looking to buy a set of Kooks headers from a guy. He told me that these headers were on an 03. He said they will mount up and work but that I will need an air tube from a 2001+ vette or cap the egr bung on the headers.

I live in Atlanta and have to get emissions inspections. When I look up the price of an air tube they are all over $100. Does this all sound accurate? After installing the headers I'm going to get it tuned. Could I just cap off the egr bung and get the emissions stuff tuned out? Or am I better off looking for an air tube?

I've never had aftermarket headers so this is all new to me. I appreciate the help.
Man I AM SURE I HAVE MY OLD ONE FROM A 04 I WILL GIVE YOU FOR THE SHIPPING IF THAT HELP A FRIEND OUT HERE. Robert
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Old Jul 25, 2014 | 10:11 PM
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Robert you're the man. I'll PM you.
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Old Jul 26, 2014 | 09:40 PM
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Robert checked and doesn't have it. Anyone else? Thabks fellas
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Old Jul 26, 2014 | 10:34 PM
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Mine doesn't have any emissions stuff or cats .. Lol

Passed with flying colors in Clayton county .. Kooks headers and off road pipe then borla from there back

Not looking forward to emissions next year after I get this stage 3 blower cam in .. The guy is probably gonna look at my funny but as long as the computer says it's good I'm fine with it haha
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Old Jul 27, 2014 | 02:21 AM
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And you passed? I need to see your guy
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Old Jul 27, 2014 | 10:59 AM
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You will need a good tune and passing emissions will be a breeze. My guy will hook you up. There fore, You can scrap all the emissions tubes. You can cap it off if your not concerned with a random tube sticking out of the header. I cut mine off and sent them to millers to be heat coated. Any exhaust shop cut and seal the tube, some even for free.

Last edited by Daddyrama31; Jul 27, 2014 at 11:03 AM.
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Old Jul 27, 2014 | 11:20 AM
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I think it's all in the tune

The only thing I know my guy didn't do was look under the car to check for cats .. But it was raining that day

And then again they've never looked under my ranger but it has to do the sniffer test bc it's a 95

The newer cars don't get the sniffer .. Just plug up to check for codes I think
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Old Jul 27, 2014 | 11:20 AM
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Heck I didn't even know the car didn't have cats until we swapped our sway bars that one day ..
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Old Jul 27, 2014 | 05:22 PM
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Ha. Yeah I remember seeing yours.
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