Lingenfelter L650182012 Lingenfelter ZL1 Camaro Air Intake Kit 2012-2013 v1.6 - Manual (Page 5)

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6. The positive crankcase ventilation (PCV)
tube goes from the driver-side valve cover to the
rubber air inlet tube. Disconnect the PCV tube
from the air inlet tube by pressing the retaining
tab on the fitting and pulling up on the tube.
7. Remove the air inlet tube from the throttle
body and pull up on the airbox to remove the air
inlet tube and airbox assembly.
5. Remove the two (2) nuts that hold the
airbox in place using a 10mm deep socket.
4.
8. Using a 7mm socket, remove the two (2)
screws that secure the MAF sensor to the airbox.
Make sure to keep the stock MAF sensor as it
will be re-used for the new air intake installation.
Take care not to drop or otherwise damage the
MAF sensor.