Tomioka Racing Subaru Twin Scroll Down Pipe for WRX/STI is a high quality downpipe at an affordable price. The Twin Scroll Downpipe features larger diameter piping with ported flanges for a quicker and faster exhaust air flow compared to the standard OEM downpipe. Each downpipe is constructed of SUS304 grade stainless steel that gives it shine and durability that will last for years to come. Installation is a snap! The downpipe will fit like your OEM downpipe and comes with all the necessary hardware and gasket. If you're looking for the best bang for your buck downpipe look no further!