▶ 【Appearance of the upgrade】 Outer carbon fiber, the inner layer is mirror polished, using the high-end baking technology, high-end atmosphere . ▶【Easy installation】 Exquisite craftsmanship, stylish design, easy installation by fixture, no drilling or welding. After installation, it will enhance the layering of your vehicle, full of elegant style. ▶【High-quality materials】 Made of high-quality stainless steel and carbon fiber materials, it has good corrosion resistance to alkaline solutions and most organic and inorganic acids. Is the ideal choice for DIY, the perfect substitute. ▶【Excellent performance】 Dual exhaust ports make the exhaust smoother and the power is improved, bringing you a pleasant driving experience. ▶【Reference size】 Inlet diameter: 63mm / 2.5inch (applicable to 62-63mm exhaust pipe). Outlet diameter: 98 mm / 3.8 inches total length: 250 mm / 9.8 inches.