# Mishimoto Subaru Exhaust Adapter, Stock Downpipe to 3in Exhaust Don't let a pesky exhaust leak ruin the beautiful exhaust tone from your turbo Subaru. The Mishimoto Subaru Exhaust Adapter allows a smooth exhaust flow transition between your stock downpipe and your 3in sized exhaust. The engineers at Mishimoto know your Subaru was built for harsh climates, so they designed this adapter with 304 stainless steel material so it will never rust. This adapter installs in under 15 minutes and includes stainless steel hardware and a new 3in 2-bolt flange gasket, making installation simple. This exhaust adapter mates directly with your stock 2015 WRX exhaust flange and gets rid of any exhaust leaks when combining with the Mishimoto 2015+ WRX/STI Cat-Back Exhaust. This Mishimoto Subaru Exhaust Adapter also comes with the Mishimoto Lifetime Warranty you know and trust. - Allows smooth exhaust flow transition between stock downpipe and 3-in sized exhaust - Eliminates infamous exhaust leaks caused by mating different exhaust flanges - 304 stainless steel adapter will not rust in harsh climates This Part Fits: Year Make Model Submodel 2004-2006 Subaru Baja Sport 2004-2006 Subaru Baja Turbo 2014-2018 Subaru Forester 2.0XT Premium 2014-2018 Subaru Forester 2.0XT Touring 2014-2018 Subaru Forester 2.5i 2014-2018 Subaru Forester 2.5i Limited 2014-2018 Subaru Forester 2.5i Premium 2014-2018 Subaru Forester 2.5i Touring 2008 Subaru Forester Sports 2.5 X 2008 Subaru Forester Sports 2.5 XT 2004-2013 Subaru Forester X 2006-2008 Subaru Forester X L.L. Bean Edition 2009-2013 Subaru Forester X Limited 2009-2013 Subaru Forester X Premium 2011-2013 Subaru Forester X Touring 2004-2005 Subaru Forester XS 2005 Subaru Forester XS L.L. Bean Edition 2004-2005,2009 Subaru Forester XT 2006-2010 Subaru Forester XT Limited 2005,2010-2013 Subaru Forester XT Premium 2011-2013 Subaru Forester XT Touring 2009-2010 Subaru Impreza 2.5 GT 2006-2011 Subaru Impreza 2.5i 2010-2011 Subaru Impreza 2.5i Premium 2012-2014 Subaru Impreza Base 2012-2014 Subaru Impreza Limited 2002-2004 Subaru Impreza Outback 2005-2011 Subaru Impreza Outback Sport 2012-2014 Subaru Impreza Premium 2002-2005 Subaru Impreza RS 2012-2014 Subaru Impreza Sport Limited 2012-2014 Subaru Impreza Sport Premium 2002-2004 Subaru Impreza TS 2002-2014 Subaru Impreza WRX 2006-2007,2010-2014 Subaru Impreza WRX Limited 2009-2014 Subaru Impreza WRX Premium 2004-2014 Subaru Impreza WRX STI 2007,2011-2014 Subaru Impreza WRX STI Limited 2010 Subaru Impreza WRX STI Special Edition 2006-2007 Subaru Impreza WRX TR 2010-2012 Subaru Legacy 2.5GT 2006-2013 Subaru Legacy 2.5i 2007-2013 Subaru Legacy 2.5i Limited 2010-2013 Subaru Legacy 2.5i Premium 2007-2009 Subaru Legacy 2.5i Special Edition 2009 Subaru Legacy 3.0 R 2008-2009 Subaru Legacy 3.0 R Limited 2010-2013 Subaru Legacy 3.6R 2010-2013 Subaru Legacy 3.6R Limited 2010-2012 Subaru Legacy 3.6R Premium 2005-2006 Subaru Legacy GT 2005,2007-2009 Subaru Legacy GT Limited 2006-2009 Subaru Legacy GT spec.B 2005 Subaru Legacy i 2005 Subaru Legacy Limited 2006-2009 Subaru Outback 2.5i 2007 Subaru Outback 2.5i Basic 2008 Subaru Outback 2.5i L.L. Bean Edition 2006-2009 Subaru Outback 2.5i Limited 2008 Subaru Outback 2.5i Limited L.L. Bean Edition 2009 Subaru Outback 2.5i Special Edition 2009 Subaru Outback 3.0 R Limited 2008 Subaru Outback Base 2005 Subaru Outback i 2005 Subaru Outback Limited 2005-2006 Subaru Outback R 2005-2008 Subaru Outback R L.L. Bean Edition 2006 Subaru Outback R VDC Limited 2005 Subaru Outback VDC Limited 2005-2006 Subaru Outback XT 2005-2009 Subaru Outback XT Limited 2015-2021 Subaru WRX Base 2015-2021 Subaru WRX Limited 2015-2021 Subaru WRX Premium 2015-2021 Subaru WRX STI Base 2015 Subaru WRX STI Launch Edition 2015-2021 Subaru WRX STI Limited 2019 Subaru WRX STI S209 2016 Subaru WRX STI Series.HyperBlue 2018 Subaru WRX STI Type RA ## Details - **Price:** 112.35 CAD - **Vendor:** Mishimoto - **Type:** Exhaust Adapters ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 112.35 CAD | In stock | ## Images - Photo - Primary - Photo - Primary - Photo - Primary - Photo - Primary - Photo - Primary - User 1 - Photo - out of package - Logo Image --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/mishimoto-subaru-exhaust-adapter-stock-downpipe-to-3in-exhaust) > Updated: 2026-06-27