Gibson Performance 620006 Cat-Back Dual Exhaust System Fits 16-23 CamaroExhaust System Kit Cat Back Dual Exhaust System Cat Back Dual Exhaust System; Stainless; 3in. Tubing; 3in. Dual In Outlet; 4. 5in. Polished Round Slash Cut Double Wall Tip; Exit Straight Out The Back; SPECIFICATIONS: Exhaust Type: Dual Exit Position: Straight Out Back Exit Style: Turn Down Inlet Inside Diameter: 2. 500 in. Material: Stainless Steel Muffler Count: 1 Muffler Type: Chambered Outlet Outside Diameter: 4. 500 in. System Type: Cat Back Tail