Lingenfelter L250070709 Lingenfelter CTS-V LSA Supercharger Pulley 2009-2012 v1.9 - Manual (Page 6)

Page 5.
11. Using a T-25 Torx tool, remove the three
(3) Torx bolts from the top portion of the air
filter housing. The location of the first bolt is
next to the power steering reservoir.
12. The location of the second bolt is located
in between the fender and the strut tower.
10. Carefully remove the intake duct.
NOTE: Be careful not to let dirt or debris enter
any of the intake components throughout this
installation.
9. Loosen the band clamp on the factory air
cleaner housing using a flat head screwdriver or
an 8 mm hex bit Allen socket.