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Twin Air air filter lid vent sold separately.
1x vent included in sale.
Perfect for crf300 airbox lid .
Fantastic performance gains when used in conjunction with our SSS stage 2.1 ecu flash.
Installation is required by the customer this advertisement is for the vent only.
Please view Installation pictures in advertisement.
Often we run out of crf300 airbox lids so we now offer vent on its own so customers can install in existing original part.