This premium-grade 45-degree mandrel bent tube is crafted from 304 stainless steel for superior corrosion resistance and long-lasting durability. With a 4.5" outside diameter, 5.35" bend radius, and 16-gauge wall thickness, it delivers smooth airflow and precise fitment — perfect for custom exhaust systems, intercooler piping, or other high-performance fabrication projects. The mandrel bend ensures a consistent inner diameter throughout the bend, minimizing flow restriction and turbulence. Ideal for fabricators, race shops, and DIY builders who demand quality and performance.