Originally Posted by
ATX SRT-6
Are those 4" or 5" diameter filters? Could you tell me what that part number is?
The filters are 4" wide and 5.5" tall. The P/N on them is 889833. However, when I run a search, it looks like the are Spectre Performance hpR Air Filters. The part number crosses to HPR9833. They run $30/ea on Amazon: