The K&N 33-5104 Drop-In Replacement Air Filter is a high-quality air filter designed by K&N, a reputable brand known for producing reliable automotive parts. This drop-in filter is specifically designed to fit in the air filter element of your vehicle, providing cleaner and better air for your engine to breathe. With its manufacturer part number 33-5104, you can be sure that this filter is a perfect fit for your vehicle and will help improve the performance of your engine. This is a used filter will need to be cleaned and oil before using.