How much does this cost to the nearest dollar?

AIRAID Cold Air Intake System by K&N Increased Horsepower, Dry Synthetic Filter Compatible with FORD (Excursion, F250 Super Duty, F350 Super Duty)
FORD Excursion; FORD F250 Super Duty; FORD F350 Super Duty increases horsepower and torque replaces stock air box and air filter cold air dam panels block out hot engine bay air easy to install using commonly available tools easy to clean oil-free synthetic air filter Fit type Vehicle Specific Manufacturer Airaid, Brand Airaid, Model Airaid Weight 9.4 pounds, Country of Origin USA, model number Exterior Painted, Manufacturer Part OEM Part Rank Automotive Automotive Replacement Air Intake Filters 6624, Automotive Replacement Emission & Exhaust Products 76556, Domestic Shipping can be shipped within U.S.,

Price is $400.00
Price: $399.99