LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

are these good headers

Old Jan 13, 2012 | 09:04 PM
  #1  
94Z28LS1toLT1's Avatar
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From: las vegas
are these good headers

i found headers on craigslist and i was wondering if these would be good for my car,and would my car pass emissions if i were to get them. its not letting get to post the pic but they are:

1993-1997 Camaro/Firebird LT1 Pace Setter Coated RACE Headers - $200

thank u guys
Old Jan 14, 2012 | 08:39 AM
  #2  
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Re: are these good headers

Chances are if they are race headers (long tubes)they will not have emission provisions so they won't pass emissions.
Old Jan 14, 2012 | 09:32 AM
  #3  
94Z28LS1toLT1's Avatar
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Re: are these good headers

so if i have to have an emissions test i wouldnt be able to get any headers for my car
Old Jan 14, 2012 | 11:43 AM
  #4  
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Re: are these good headers

Originally Posted by 94Z28LS1toLT1
so if i have to have an emissions test i wouldnt be able to get any headers for my car
Headers don't cause a problem with the tailpipe test, as long as they have the EGR connected. Without the EGR connected, you might fail a tailpipe test on NOx.

Where you can get into trouble with headers is if they do a visual inspection. CA requires that any headers installed have to have a CARB-EO emissions tag welded to them. Many states use the CA standards in this regard. With a header that keeps the stock number of cats in the stock location, it's possible to have the CARB-EO approval. Even with the CARB-EO tag, the emissions components (EGR, AIR) have to be hooked up, assuming the person doing the visual inspection knows what they are looking for.

Long tube headers, on the other hand, violate FEDERAL emission law because they relocate the cat(s). So there's no way they can get the CARB-EO approval. States like CA and others that adopt the CA standards follow Federal guidelines. Other states ignore the Federal guidelines, maybe don't even have visual inspection, etc. Within any state, there are often urban districts that follow emissions standards and require inspections, and rural areas that may be exempt.

All depends where you live as to what you can get away with.
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