Lingenfelter L650150309 Lingenfelter C6 ZR1 Lingenfelter Air Intake 2009-2012 v2.2 - Manual (Page 7)

Page 6.
16. Make sure the fitting on the hose is cocked
as shown in the image and then using a 7 mm
nut driver or socket, tighten the hose clamp in
place.
17. Inspect the air filter to make sure no
rubber debris or other material is inside the
filter.
18. Install the supplied air duct tube into the
supplied air filter. The sensor boss for the
mass air flow (MAF) sensor should be facing
the driver side of the vehicle. The filter gets
installed on the end of the tube that is closer to
the MAF sensor boss as shown.
19. Place the larger clamp (100-120 mm, part
# 539100120) onto the air filter neck. Note the
position of the clamp.