3"-2.5" mandrel bent quasi dual system, straight back style (it goes under the gas tank rather than around it). I've got a bullet style cat and 2 straight through style apexi n1 mufflers. Heat wrap in all the right places
2005 Ford F150 SuperCab FX4
1964 Chevrolet Impala SS
1998 CSVT: 354HP/328TQ @ 10 psi, now gone
