This cat-back exhaust system for HOLDEN HSV (2009-2012) CLUBSPORT, E2-E3 is made of 3" stainless steel and features a twin design with a raw finish. It includes an X pipe before the twin in./out centre muffler and centre outlet rear mufflers with a Y piece to fit factory tips (not included). Please note that the image provided is for reference only and the actual system may have a different finish. Part No: E4-VE12-CBS, Vehicle Model: CLUBSPORT, GTS, SENATOR. Diameter [in]: 3. Material: Stainless Steel. Important information: Image may not accurately reflect the exhaust system. Shipping times may vary based on size, destination, and availability.