K&N Performance Air Intake Kit 69-4530TS with Metal Tube and Lifetime Red Oiled Filter for 2009-2015 Cadillac CTS-V 6.2L V8 Guaranteed to increase horsepower Designed to improve throttle response and engine sound Low restriction aluminum tube Replaces stock air intake system Lasts up to 100,000 miles before service is required (depending on driving conditions)