Catalytic Converter for HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter MagnaFlow 50809 light-bars The thread size varies depending

The thread size varies depending on the application

7 V8 1987 - 1994 Chevrolet Blazer 350/5

5 V8 1969 - 1972 Ford Custom   429/7 V8 1971 - 1972 Ford Custom   351/5

2 V8 1958 Pontiac Chieftain 370/6

Catalytic Converter for HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter MagnaFlow 50809 light-bars The thread size varies dependingOverview: Keep the check engine light off with MagnaFlow HM Grade Federal EPA Compliant Direct Fit Catalytic Converter 50809. With features including free flowing mandrel bent tubing and highly corrosion resistant, stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state of the art metrology department uses the latest 3D scanning systems during research and