Fitment Information Cadillac CTS (2004, 2005, 2006) Engine Type: 3.6L V6 Emissions Compliance This item is CARB/Smog Legal for some applications! See below: MaxFlow 5 Oiled Filter (CARB EO # D-526-7) Specs & Features Direct bolt on air intake system Volant air intakes carry a Limited Lifetime Warranty. Filter warranty varies. Volant intakes increase cooler airflow to the engine allowing your engine to operate more efficiently increasing Horsepower & Torque Volant intakes make it easier for the engine to breathe, which should result in improved fuel economy and mileage. Driving style has a far greater impact on gas mileage than an air intake Filter Options Volant MaxFlow 5 Oiled Filter for improved performance with the comfort of oiled filtration technology for those looking for horsepower Product Description Volant air intake systems utilize a high-velocity venturi filter adapter which provides a smooth transition through the MAF sensor into the intake tube for a much needed airflow improvement over the factory rubber tubing and resonator box. Volant's Cool Air box is larger than the factory unit and incorporates a larger opening to collect a higher volume of colder ambient air. Redline360 sells only genuine and authentic Volant products.