Lingenfelter L650140709 Lingenfelter Cadillac CTS-V Air Intake Duct v1.3 - Manual (Page 5)

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5. Loosen the band clamp on the factory air
cleaner housing using a flat head screwdriver or
an 8 mm hex bit Allen socket.
6. Carefully remove the intake duct, be
careful not to let dirt or debris enter the intake
duct during the installation.
Steps 7-22 are for disassembling the airbox
to modify the bottom part of the air filter
houseing, which will reduce inlet restriction.
7. 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.
8. The location of the second bolt is located
in between the fender and the strut tower.
4.