How much does this cost to the nearest dollar?

AEM Cold Air Intake System for Dodge Challenger 3.5L V6 C.A.S
Estimated horsepower gain of 7.36 HP at 3800 RPM All AEM Air Intakes come with a lifetime DRYFLOW Synthetic air filter with great filtration Guaranteed for the life of your car or truck Manufactured in the USA Manufacturer AEM, Brand AEM, Model AEM Weight 8.9 pounds, Country of Origin USA, model number Exterior Painted, Manufacturer Part OEM Part Rank Automotive Automotive Replacement Air Intake Filters 7910, Domestic Shipping Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues., International Shipping This item can be shipped

Price is $400.00
Price: $399.99