CAI 501-0520-B Cold Air Intake For 2008 Lacrosse Super V8 5.3LFitment 2008 Buick Lacrosse Super V8 5. 3L 2005 2008 Pontiac Grand Prix V8 5. 3L Fitment Notes N A Gains 12 fwhp Up to 3 MPG increase in Fuel Economy Performance gains indicated is to the wheels (whp), with tests done on an otherwise stock vehicle. We test our intake systems under real driving conditions, and dyno test to the wheels with the hood closed. Many competitors test with the hood open and advertise gains at the crank, which results in