1987-1993 Mustang GT 5.0L System Cat-Back 3" (MAG16996)The MagnaFlow Competition Series Cat Back Performance Exhaust System delivers an aggressive, attention grabbing edge to MagnaFlows deep, resonant signature sound. Engineered with fast flowing 3in mandrel bent main piping and dual straight through mufflers, this system maximizes exhaust efficiency while producing aggressive exterior and moderate interior sound levels. The dual split rear exit is finished with polished clamp on single wall straight cut