My motorhome is a 1995 Class-C Ford E-350 with a 460 EFI engine...I have upgraded the exhaust with Thorley headers following the dreaded exhaust leaks and snapped bolts...I am now ready to upgrade wit...
Most people will over oil the filter. If you have a MAF down stream it will get wet from the oil and cause problems, maybe a CEL. Also they provide little protection from incoming heavy rain.