Flowmaster 1050 Header-Back Pipe Kit Fits 67-69 Camaro FirebirdExhaust System Kit Header Back Pipe Kit Header Back Pipe Kit; Dual; Dual Rear Exit; Incl. Tubing Only; 3. 0 in. Dia.; Balance Pipe; Offset Inlet Center Outlet Mufflers Required; Pipes Only; No Muffler; SPECIFICATIONS: Color: Gray Exhaust Type: Dual Exit Position: Dual Rear Exit Style: Turn Down Inlet Inside Diameter: 3. 000 in. Material: Aluminized Steel Muffler Body Length: No Muffler Outlet Outside Diameter: 3. 000 in. Single or Dual: Dual System