Hey guys I dropped a wrench in my engine bay and had to take the air box out to retrieve it and noticed one of the hoses connected just led to nothing like it was unplugged from the previous owner. Can anyone help? It’s a USDM and the lines is on the right side of the box

 

its the vent, or relief for the air pump air, it keeps the noise down

 

Exactly, it just vents from the stock airbox. No need to worry.