Diamond817 Posted May 17, 2021 Share Posted May 17, 2021 Flowmaster Cat-Back for 2019-2021 Chevrolet Silverado 1500, 5.3ltr, Crew Cab Short bed or Double Cab Standard bed. This is for single exhaust optioned trucks that don't have the factory dual exhaust bumper cut outs. This is a Flowmaster FlowFx Cat Back system that was customized to sound better and eliminate drone. The FlowFX muffler was replaced with a Flowmaster 70 Series muffler and a resonator was added. It sounds great, has a deep tone and rumble. There is no drone at all at highway speed. It has about 1500miles on it. $500 obo Sale is cash only. Local pickup only near Morristown, NJ. Quote Link to comment Share on other sites More sharing options...
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