What size tubing for 12a manifold?
#1
What size tubing for 12a manifold?
I finished my exhaust manifold a little while ago and I used 2" ID piping. I know this is what you usaully use for a 13b. This for a streetported 12a using a S5 turbo. I'm starting to think that 1 3/4" would probably be a little better. Please post only if you know what your talking about.
Thanks Caleb
Thanks Caleb
#2
10.21 @ 137mph
That size pipe will be fine. When I was trying to spool a TA45 on a 12a I used the 1 3/4 ID pipes for my manifold. I really dont think it helped that much. Im now using the same manifold with my T66 and I seem to have the same boost response as others I know that used the 2 inch pipe.
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rx8volks
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09-01-15 11:02 PM