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What is the hose that attaches to the top end of the factory airbox? Is this a smog hose or airpump...What exactly is its function and is it alright to disconnect when using an EVO(www.evoms.com) intake?
 

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Re: tubing question... (jrmitchell83)

The tube is for the California emmisions. Dunno if it will cause any harm/good to leave it off.
 
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