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

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

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

To maintain catalyst efficiency, 2014 dodge cummins delete kit the air–fuel ratio must stay close to stoichiometric and not remain rich or 5 inch exhaust hanger lean for ka24de downpipe too long.