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

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, 2016 cummins delete kit the air–fuel ratio must stay close to stoichiometric and egr delete kit 6.6 duramax lbz not remain rich or lean for 2016 ram 2500 6.