These up - pipe gaskets are a perfect fit for GMC vehicles from 2001 to 2016 with a 6.6L Duramax engine. They also work well with GM stock and PPE Up - Pipes. Made of multi - layered 304 stainless steel, this 4 - piece set forms a tight seal at the manifold and turbo inlet. It can handle extreme temperature changes, ensuring a leak - free performance. Part Number: 118062030. Key features include being up - pipe gaskets, made of multi - layered 304 stainless steel, and sold as a set of 4.

Using these up - pipe gaskets is easy. First, make sure your vehicle's engine is turned off and cooled down. Then, remove the old gaskets carefully from the manifold and turbo inlet. Clean the surfaces thoroughly to ensure a good fit. Place the new gaskets in position, making sure they are aligned correctly. You can then re - attach the up - pipes. When it comes to maintenance, there's not much you need to do. Just check regularly for any signs of wear or leakage. If you notice any issues, replace the gaskets promptly. Also, always use the gaskets within the recommended temperature range to ensure their long - term performance.