Lingenfelter L250070709 Lingenfelter CTS-V LSA Supercharger Pulley 2009-2012 v1.9 - Manual (Page 5)

Page 4.
5. With the strut tower brace removed,
remove the back plastic cover by pulling up
from either side of the intercooler.
6. Remove the connector from the mass air
flow/intake air temperature (MAF/IAT) sensor
located on the end of the intake duct on the air
filter box.
7. Remove the fresh air inlet positive
crankcase ventilation (PCV) connector from the
middle of the intake duct.
8. Loosen the band clamp on the intake duct
that connects to the throttle body.