The 4.0 Inch V Band Clamp with Flange, Male and Female, is a pair of high-quality stainless steel clamps designed to connect 4.0" ID male or female flanges to 4.0" OD pipes, featuring M8*1.25 T-Bolt thread size. These clamps are user-friendly, allowing for easy installation and removal, making them perfect for applications that require frequent disassembly. They ensure a reliable seal with even pressure at the flange, providing a secure connection. Engineered to align male and female flanges without gaskets, these clamps simplify the installation process. Made from durable stainless steel for the clamp and flanges, and chromium-molybdenum steel T bolts, they offer enhanced durability and resistance to corrosion, ensuring long-lasting performance. These versatile clamps are extensively used in various automotive systems such as exhaust, turbocharger, downpipe, and muffler, providing a robust connection. Compatible with a wide range of vehicles, they are an essential upgrade for your car's performance systems.