This is the smallest diameter vacuum hose I could find. Used it to hook up sensors to my engine's air intakes. Ideal for connecting to very small NXP surface mount pressure transmitters. It is very flexible but does not kink.
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π K&N Cold Air Intake Kit: Rev Up your 1998-2003 CHEVROLET/GMC (S10 Pickup, Sonoma) with High Performance: Gain Horsepower & Stay Road Legal (57-3025-1)
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