Performance Air Intake for Cadillac Deville (1996-1997) with 4.6L Engine BlueWake Up the Northstar: High Flow Intake for 1996 1997 Cadillac Deville 4. 6L Who Its For: Engineered for Cadillac Deville owners running the Northstar 4. 6L powerplant who are tired of the stock sluggishness and want to hear what that V8 is actually capable of. The Symptom: The factory intake on the 4. 6L V8 is designed for silence above all else, which is a major bottleneck for a heavy luxury sedan. It utilizes a restrictive, multi chambered