Quote:
Originally Posted by wildthing001967
What would work best with a CIA, Corsa cat-back and a tune?
6 spd manual
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1-7/8" is the way to go after doing back to back testing. 1-3/4" was down at least 10 hp throughtout the entire curve. There was no tq loss with the 1-7/8" they responsed as well as the 1-3/4" down low.
I have a short system with headers and connection pipes that will work with your cat-back.
If I can help with anything else please let me know.
Anthony
ARH