Originally Posted By: HTSS_TR
The dirty side looks almost as new, it can be used for another 20-30k miles. MAF looks very clean, Amsoil air/oil filters are top notch.
The thing that sold me on the Amsoil filter is that it's good for 100,000 miles, or four 25K cleanings. Basically you just shake them out or use low pressure compressed air and blow from the inside out.
I just pulled it for curiosity's sake, didn't clean it.