


The COBB Tuning GESi Catted 3" Downpipe begins with a CAD-designed cast bellmouth that smoothly blends air exiting the turbocharger's turbine housing. Included Adapter Utilizes Stock Donut Gasket for Optimal Sealing & Long Life.Two O2 Bungs for Factory & Aftermarket Sensors.304 Stainless Steel for Corrosion Resistance.

CAD-Designed Cast Turbo Outlet for Maximum Flow.Includes two o2 bungs for stock and aftermarket sensors. The COBB 3" GESi Catted Downpipe for 2008-2014 WRX and 2008-2020 STi models is a direct replacement piece made from 304 stainless steel construction with a bellmouth CAD designed cast turbo outlet for maximum flow. COBB GESi Catted Downpipe for 2008-2020 STi/WRX - 524210
