HKS intake kit
#31
A K&N filter cleaning kit costs $9 and can be bought at any autozone or pep boys. And it will probably let you clean and oil a filter 10 times.
Or you can mail-order a replacement HKS filter for $15 every 6 to 10kmi.
Or you can mail-order a replacement HKS filter for $15 every 6 to 10kmi.