Spec-D Tuning AFC-XB08-KM Scion xB 2.4L 4Cyl Cold Air Intake+Filter Kit 1 Set Cold Air Intake with Blue Filter Kit Includes aluminum Intake pipes, rubber base air filter, vacuum hoses, reducers and all necessary mounting hardware Increase horsepower, torque and improve the gas mileage 30 Day Money Back Guarantee & 90 Days Limited Warranty Made by OEM approved & ISO certified manufacturers in materials that meet or exceed strict OEM requirements