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Difference between 1997-2000 and 2001-2004 headers
Hi, I was wondering why aftermarket headers (SLP for one) are listed for 1997-2000 and 2001-2004 C5's. If installed on a '01 C5 Z06 will 97-00 long tubes fit?
If i remember, and someone correct me if im wrong, the early style heads had round exhaust ports and the later had a D shaped port. But i don't think they ever made headers that specifically matched the ports.
Thanks for your replies folks. It's not just SLP, other header companies also list two applications. I will try to call someone up tomorrow to get to the bottom of it and see if the early headers can be used on later C5's.
Thanks for your replies folks. It's not just SLP, other header companies also list two applications. I will try to call someone up tomorrow to get to the bottom of it and see if the early headers can be used on later C5's.
It's because of the air pipe fittings are different on the 97 -99, 2000, 2001-2004.
Thanks for your replies folks. It's not just SLP, other header companies also list two applications. I will try to call someone up tomorrow to get to the bottom of it and see if the early headers can be used on later C5's.
Don't forget to post what "THEY" say as well!
Originally Posted by ajg1915
It's because of the air pipe fittings are different on the 97 -99, 2000, 2001-2004.
They can be made to fit or blocked off.
This is exactly what I said earlier in a post - this is the exact reason right here
Yup, just like people before me said, the pickup location for the smog pump is different (located on a different tube). The options for a later C5 is to either remove the AIR system or move the pickup to the correct tube.