MagnaFlow Direct-Fit Catalytic Converters are designed for easy bolt-on installation for the Professional Installer. Each is designed to exact the original equipment specifications. While the majority of the Direct-Fit Catalytic Converter products do not require welding; cutting or bending; limited applications may require additional welding for optimal installation. PartNumber : mag24100 Description : Conv DF 84-88 Fiero CAT Converter Air Tube Adapter : Not Air Tube Kit Adaptable Converter Body Size : OEM Core Substrate Material : OEM Emission : Non-California (49-State) Inlet Size (in.) : OE Material : Stainless Steel Outlet Size (in.) : OE Overall Length (in.) : OEM Inlet Inside Diameter (in.) : OE Outlet Outside Diameter (in.) : OE WARNING CA Proposition 65 : No Catalytic Converter Air Tube Adapter : Not Air Tube Kit Adaptable Outlet Outside Diameter : OE Inlet Inside Diameter : OEM 1984-1985 Pontiac Fiero Base L4.2474cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 1988 Pontiac Fiero Formula V6.-cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 1985-1988 Pontiac Fiero GT V6.-cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 1984-1987 Pontiac Fiero SE L4.2474cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 1985-1987 Pontiac Fiero SE V6.-cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 1984-1988 Pontiac Fiero Sport L4.2474cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 1985 Pontiac Fiero Sport V6.-cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 1988 Pontiac Fiero Sport V6.-cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 1986-1988 Pontiac Fiero Value Leader L4.2474cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 1988 Pontiac Fiero Value Leader V6.-cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit