Lingenfelter L650150309 Lingenfelter C6 ZR1 Lingenfelter Air Intake 2009-2012 v2.2 - Manual (Page 5)

Page 4.
8. Remove the two factory airbox cover
mounting posts located in the radiator shroud.
Pull up on the center post of these fasteners to
loosen the fitting and then remove the fitting.
9. Temporarily place the LPE airbox cover on
the radiator shroud and insert a drill bit to locate
the hole as shown. Using a silver marker, mark
the location shown on the radiator shroud on
the driver side. This location on the radiator
shroud will be drilled out. Remove the airbox
cover.
10. Using a 10 mm socket and extension,
remove the two (2) bolts on the passenger side
of the radiator shroud.
11. Using a 10 mm socket and extension,
remove the two (2) bolts on the driver side of
the radiator shroud.