Quote:
Originally Posted by Roto-fab 1
It's a small piece of standard 1/2" ID rubber hose slit so it slides over the A/C line just behind the service port. The purpose is to keep the air box and line from rubbing against each other. It is a new addition that wasn't in the early kits. It appears most cars have a little daylight between our air box and the line-we just decided to add it for a little "insurance".

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My line was against the air box so this was a nice addition. I did install mine lower on the line as it touched there instead of up near the service port. In addition it hid the piece of tubing.
BTW for those considering this kit. It is very nice and get lots of nice cool air. After a spirited ride I came back and you could feel the temperature difference from inside the air box to outside of it. In addition I had a moth sucked onto my airfilter so it does get air from outside the engine compartment.