View Full Version : California Headers
LGAFF
09-02-2020, 09:22 PM
Anybody in CA want to run headers? I need someone to buy these before I do.....
LGAFF
09-02-2020, 10:23 PM
These have been on for months has no one noticed they are custom Callaway stainless exhaust manifolds with full size header tubes that dont neck down like the stockers?
https://www.ebay.com/itm/1990-92-CORVETTE-C4-ZR1-LT5-ENGINE-STAINLESS-EXHAUST-MANIFOLDS-CATS-L-R-and-02/333597467618?hash=item4dabf563e2:g:BfgAAOSwC4leuyx P
32valvZ
09-03-2020, 11:18 PM
Those would make a good template and business opportunity....If the proper tube stock could be obtained and some good welding skills applied... People could send their stock set and Im sure they could be modified to match the SNAT set.
Z51JEFF
09-03-2020, 11:43 PM
If I could legally get these on my car I?d buy these but as of right now there are no headers for a ZR-1 that are legal in Ca.
LGAFF
09-03-2020, 11:45 PM
How would they know these from GM, these might even be CARB certified, Callaway is a manufacturer so they have to EPA certify
LGAFF
09-03-2020, 11:49 PM
part #
Z51JEFF
09-04-2020, 04:47 AM
If it was legal in Ca it would have EO then a part number. I did check to see if it had a C.A.R.B number and it doesn?t show up. Just out of curiosity I?ll check with Callaway.
Z51JEFF
09-18-2020, 05:47 PM
Lee,I got in touch with Callaway and these are in fact exempt from C.A.R.B certification and are egal in California,so I bought them. I?m looking into the BB Fusion cat back system.
Z51JEFF
09-23-2020, 02:34 PM
Now it gets a little strange. I ran the part number on these and they are GM parts numbers,that might explain the AC logo. It was at one point possible to buy these over the counter.
tf95ZR1
09-24-2020, 06:32 PM
Congratulations on the find, Jeff!
I never heard of this before.
I thought most companies didn't
pursue CA CARB because of the
time, cost, and AGGRAVATION!
Let us know how different they
sound and perform.
Do you think they perform differently
compared to conventional long tube headers?
T
Z51JEFF
09-24-2020, 08:05 PM
That's what I thought until these popped up. These were sold over the counter also,would like to know what they went for new. Up until now I thought there were no headers legal in California,according to Callaway these pick up 15 HP. Now just need to find a place to work on the car,not looking forward to it but the end result will be well worth it.
Hib Halverson
10-02-2020, 12:11 AM
Headers are not legal in CD, however, looking at the images my gut feeling is that you'd get though the smog check with those at most stations becuase they have stock cats and for a car that old the person doing the visual might not recognize them as non-OE.
But, it's moot at this point because the item has sold. Not a bad price either.
LGAFF
10-02-2020, 12:22 AM
Yes Jeff bought them ...
Z51JEFF
10-02-2020, 12:38 AM
Yes Jeff bought them ...
Boy did I. Hib,these headers are registered in Ca as having an E.O. number stating they comply with all Ca regulation and are in fact legal. Now,spending the cash on a complete system and getting them on the car won't happen until I make an appointment with a smog referee and get confirmation that these are legal. What's odd about these is they have a GM AC Delco part number on them. My plans are have them ceramic coated,wrapped to keep down the heat and a complete BB system out the back. As far as finding a smog tech that might not be smart enough to look for headers,that's a chance I won't take,its 100% legit or nothing.
Paul Workman
10-03-2020, 10:04 AM
*...My plans are have them ceramic coated,wrapped to keep down the heat and a complete BB system out the back.
FWIW, I have the bare Stainless Works headers on mine since '01(?) and have done many cross country trips w/o any discomfort due to heat.
And, aesthetically speaking, one can only (barely) see the flanges and maybe 1/2" of the header tubes viewed from the open hood. You'd have to get under the car to appreciate their good looks! (But, I like the B&B FUSION approach tho!):thumbsup: Porting - invisible to inspectors - would be where my powder coating/wrapping money would go. YMMV!
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