Lingenfelter L650140709 Lingenfelter Cadillac CTS-V Air Intake Duct v1.3 - Manual (Page 9)

Page
21. Re-install your modified bottom portion of
your air filter housing. Reinstall your stock air
filter or install the K&N replacement filter.
NOTE: LPE recommends the use of a K&N air
filter (part # 33-2411).
22. Install the top portion of your air filter
box. Make sure to plug in the MAF sensor after
bolting down the housing bolts.
23. Install the barbed end of the supplied 45
degree plastic fitting [part # 25862741] into the
fitting on the hump hose.
24. The front coupler will mount unto the
throttle body in the position shown.
8.