Invidia 02-07 WRX/STi Polished Divorced Waste Gate Downpipe with High Flow Cat

For-off-road use only (racing use only) 76mm, one piece design stainless steel construction.  This is a divorced wastegate downpipe. What is a Divorced Wastegate downpipe? It separate the exhaust and wastegate gases. In theory, this design reduces boost creep, it allow for a more effective pressure differential across the wastegate. Features 76mm  304 Stainless Steel Construction Divorced Waste Gate    This parts fit: Year Make Model Submodel 2008 Subaru Forester Sports 2.5 XT 2002-2007 Subaru Impreza WRX 2006-2007 Subaru Impreza WRX Limited 2004-2007 Subaru Impreza WRX STI 2007 Subaru Impreza WRX STI Limited 2006-2007 Subaru Impreza WRX TR