TurboXS Stainless Steel Turboback Exhaust Subaru WRX STI 02-07

Turbo XS exhaust is 100% Stainless Steel System Designed on TurboXS' in-house AWD Dynapack dyno for unparalleled performance 4" Mandrel bent T304 Stainless downpipe smoothly tapers to 3" for a smooth laminar flow into a 3" high-flow cat OEM style doughnut gasket enhances flexibility, durability and sealing as opposed to lower quality flex joints. The muffler is 2.5 inch piping and exits at a 4 inch tip.