Lingenfelter L650150309 Lingenfelter C6 ZR1 Lingenfelter Air Intake 2009-2012 v2.2 - Manual (Page 4)

Page 3.
4. Disconnect the throttle actuator electrical
connector from the throttle body.
5. Disconnect the positive crankcase
ventilation (PCV) fresh air tube from the
passenger side of the air inlet duct.
6. Using a 5/16” nut driver, loosen the clamp
on the throttle body
7. Remove the air inlet duct and air filter
assembly by pulling up on the assembly.