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Hard vacuum pipe - do I need it

Hey,

 

This is a vacuum hard pipe (with hoses) from the left side of the engine (from the front).

 

RsFNtUM.jpg

 

 

I've replace the whole section with one piece of silicone hose.

 

Is this ok, is there a specific reason for the hard pipe, a single piece of hose isn't going to collapse or anything is it?

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    it'll be fine to replace with a silicone hose.

    You could also bypass those hoses running back and forth to the throttlebody and EGR/AIV solenoids and get rid of that whole spaghetti of hoses (and chances for small leaks) around that side of the engine.

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