This MBRP exhaust is perfect for Toyota GR Corolla owners who love high - performance driving. Whether you're on the track or cruising on the street, it'll enhance your driving experience. The exhaust is made of T304 stainless steel, and the tubing is 3 inches in diameter. It's suitable for 2023 - 2025 GR Corolla models in different editions like Circuit, Core, Morizo, and Premium. If you want to make your car more powerful and have a great - sounding exhaust, this is the one for you.