Stainless steel 2.5" high flow cat pipe XForce features 2.5" pipe work, a brushed finish, and a 304 stainless steel 200 cell high flow cat converter. It connects over pipe to the Xforce cat back system. Part No: ES-T86-01-CATB. Vehicle Model: 86, BRZ. Diameter [in]: 2.5. Material: Stainless Steel. Please note that the image may not accurately represent the exhaust system. Shipping times may vary depending on size, destination, and availability.