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What size is the small braided vacuum hose? I think the metric size is 3.5x2. Autozone and others don't know what the equivelent is.

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5/32 or 4mm will work for the vacuum line that goes from the Dv to the intake manifold. The other lines seem smaller, like the one going to the FPR, so I would use about 3.5mm for those. 4mm would work, that is what I used, but they didn't seem very snug
 

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I had Hose Techniques 3.5 mm hose put on my diverter valve - will the smaller hose hurt anything?
 
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