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      12-27-2012, 03:25 PM   #189
Scott_in_FL
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Drives: 2010 Nissan GTR
Join Date: Jun 2012
Location: Boca Raton, FL

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It would seem that on a turbo car the size of the main tubing run (including downpipes) is critical.

What is the stock tubing diameter of the downpipes and behind?

What is the tubing diameter of these aftermarket exhausts? I see that one is 77mm, and another was 80mm. What is the size of the Akra, and the Supersprint (which technically looks like the best flowing exhaust from what I can see).
Appreciate 0