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Large Bore-HD 4" 409 Stainless Steel Cat-Back Exhaust System | #on

Large Bore-HD 4" 409 Stainless Steel Cat-Back Exhaust System

Large Bore-HD 4" 409 Stainless Steel Cat-Back Exhaust System

Our exhaust system uses larger piping compared to the factory exhaust system, long tube headers 5.3 99-06 yet weights 5 lbs. The factory system uses 2.56" piping, which reduces to 2.