Upgrade the performance of your vehicle with the Rexpeed Catted Midpipe. This high-quality mid-pipe is designed to replace your factory mid-pipe and features a high-flow catalytic converter that improves exhaust flow and reduces backpressure. This can result in increased horsepower and torque, as well as improved throttle response. The Rexpeed Catted Midpipe is made from high-quality materials and is designed to fit most aftermarket exhaust systems. The mid-pipe is easy to install and comes with all the necessary hardware. In addition to its performance benefits, this mid-pipe also adds a stylish touch to your vehicle's exhaust system. The stainless steel construction is durable and adds a high-end look to your car's undercarriage. Upgrade the performance and style of your vehicle with the Rexpeed Catted Midpipe. This high-quality mid-pipe is a must-have for any car enthusiast looking to improve the performance and sound of their vehicle. On the GTR improving the exhaust system is the easiest and most inexpensive way to increase horsepower and torque. Our mid pipe maximizes exhaust flow and is a direct replacement which does not require tuning. Expect 15-20 whp gain. Made from high-quality 304 stainless steel with chrome steel flanges. 100 Cell metallic cat Pipe diameter: 76mm x 2, 89mm x 1 2 Flex tube similar to stock mid-pipe. TIG welding comes with gasket and mounting bolts.