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Registered
Join Date: Dec 2011
Location: Virginia Beach, VA
Posts: 526
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911 Turbo's used a one piece pancake intake manifold that tied the intakes together. It is a cast magnesium unit. So a one piece aluminum intake should not require an expansion provision. I think the reason the 3.2 Carrera intake is in two pieces is for ease of casting.
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-Dennis
1977 930 Slant, MS3 EFI, Carrera intake, Twin plug, Powerhaus headers, Magnaflow muffler, Garretson intercooler, GTX3071R
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