Thread: 3SI manifold questions
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      10-31-2020, 07:33 AM   #22
oldman_stew
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Drives: 2009 BMW 128i
Join Date: Oct 2020
Location: BC CANADA

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Hey everyone,

I'm new to 1 series and was hoping someone could point out the visual difference between a regular manifold on US cars and the 3 stage manifold.

Just want to make sure I get the right one 🤠

Tia
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