Quote:
Originally Posted by Tru2Chevy
I think you mean 1 5/8"?
Anyway, there is no one "best header" out there, it all depends on your setup and goals.
- Justin
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blah i mean 1 3/4"
taken from thirdgen.org
"The others are all 1 5/8". If you plan on making more than 300 HP to the rear wheels, the 1 3/4" are what you want."