2005-2014 Mustang AFCO Dual Pass Heat Exchanger 2005-2014 Mustang Afco Dual Pass Heat Exchanger This AFCO Dual Pass Heat Exchanger is designed to replace your factory heat exchanger (if equipped) and provide more efficient intake cooling. They are made from aluminum, TIG-welded, come in a... MSRP: Was: Now: $634.99