Invidia 2002-2007 Subaru Impreza WRX/STI Catted Downpipe w/ Extra O2 Bung

Experience unparalleled performance and power with our High Flow Catted Downpipe, specifically designed for the 2002-2007 Subaru WRX and 2004-2007 Subaru STI. Engineered to deliver exceptional exhaust flow and optimize engine efficiency, this downpipe is the ultimate upgrade for enthusiasts seeking to enhance the performance of their Subaru vehicles. Key Features: Enhanced Exhaust Flow: With a generous 3-inch piping diameter, our downpipe maximizes exhaust flow, minimizing restrictions and turbocharger backpressure for improved engine performance and responsiveness. Premium Construction: Crafted from high-grade 304 stainless steel, our downpipe is built to withstand the demands of high-performance driving, ensuring durability, longevity, and resistance to corrosion. Divorced Wastegate Flange: The specially designed divorced wastegate flange promotes smooth exhaust gas flow, reducing turbulence and enhancing overall exhaust efficiency for optimal engine performance. Built-in O2 Sensor