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Old 2010-03-19, 03:24 PM   #3
knucklesplitter
EJ205
 
Real Name: Matt Taylor
Join Date: Jun 2005
Location: Cousin-F*ck, Carolina
Posts: 1,475
 
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Quote:
Originally Posted by A1337STI View Post
Rally rules require a 34mm restrictor on a single turbo Or
22mm restrictors if you use dual turbos (not sequential, but side by side )

which is going to flow more air ?
(2) x 22mm diameter is roughly equivalent to (1) x 31mm area-wise, so if I had to guess I would say 34mm flows better (approx. 20%).
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