I assume you are talking about the plastic tube meant to vent gas fumes to the charcoal canister in the engine compartment. If so, the answer is no you don't need the whole system. You do need to keep the plastic tube though connnected to the gas tank vent. Just run it up to the high point of the gas fill neck and zip tie it in place. Throw the charcoal canister away.
Slipp
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Slipp
