AP Exhaust. This in total allows AP Emissions Technologies to maintain industry-leading efficiency, productivity, and competitive pricing. This part generally fits Chevrolet,Pontiac,Saturn vehicles and includes models such as Aura,G6,Malibu with the trims of Base Coupe 2-Door,Base Sedan 4-Door,GT Coupe 2-Door,GT Sedan 4-Door,LS Sedan 4-Door,LT Sedan 4-Door,SE Coupe 2-Door,SE Sedan 4-Door,XE Sedan 4-Door.