MBRP Exhaust S7280BLK Armor BLK Cat Back Exhaust System Fits 24 MustangExhaust System Kit Armor BLK Cat Back Exhaust System Armor BLK Cat Back Exhaust System; 3 in.; Incl. X Pipe Assembly Muffler Actuator Hardware 4in OD BLK Tips; Quad Rear Exit; Street; SPECIFICATIONS: Exhaust Type: Cat Back Exit Position: Quad Center Rear Inlet Inside Diameter: 3. 000 in. Material: Aluminized Tail Pipe Diameter: 3. 000 in. Tip Diameter: 4. 000 in. Tubing Diameter: 3. 000 in. WARNING CA Proposition 65: Yes WARNING CA Proposition 65