LS1TECH - Camaro and Firebird Forum Discussion

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-   -   What's the diameter of the primaries on Mac Headers? (https://ls1tech.com/forums/generation-iii-external-engine/50307-whats-diameter-primaries-mac-headers.html)

Big Mike Nov 27, 2002 10:48 AM

What's the diameter of the primaries on Mac Headers?
 
On your conventional Mac mid length headers, what's the diameter of the primaries?

TIA

<small>[ November 27, 2002, 10:51 AM: Message edited by: Big Mike ]</small>

NOBR8KSS Nov 27, 2002 11:41 AM

Re: What's the diameter of the primaries on Mac Headers?
 
1 3/4"

Big Mike Nov 27, 2002 01:24 PM

Re: What's the diameter of the primaries on Mac Headers?
 
Thank You!


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