This 3.0" to 2.5" 316 Stainless Steel concentric size reducer is ideal for fabricating custom exhaust systems. Specifically designed for creating expansion chambers in turbo dump pipes and exhaust mufflers, this concentric size reducer provides a smooth and efficient transition between different pipe diameters. The 316 Stainless Steel construction offers excellent corrosion resistance and durability, ensuring a long service life even in demanding environments. Achieve precise exhaust flow and optimal performance with this high-quality stainless steel concentric reducer. Whether you're building a custom turbo system or modifying an existing exhaust, this size reducer offers a professional and reliable solution.