Lingenfelter L650150309 Lingenfelter C6 ZR1 Lingenfelter Air Intake 2009-2012 v2.2 - Manual (Page 9)

Page 8.
24. Connect the PCV fresh air line to the other
side of the 45 degree plastic fitting. Make sure
the PCV line is under the intercooler and water
cross over lines (as it was stock). Also make
sure the PCV line does not touch the belt or
pulley.
25. Install the supplied seal on the front lip of
the airbox cover as shown.
26. Slide the cover over the air filter and the
factory radiator shroud.
27. Line up the holes in the airbox cover with
the holes on the passenger side of the radiator
shroud.