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...
I would try to stay away from any metal tubing after the air filter, they seem to soak up and retain heat more then the plastic ones. defeating the cold air effect.