2004 Subaru Impreza Exhausts Upgrades

COBB Tuning Titanium Cat-Back Exhaust - 2002-2007 Subaru WRX / 2004-2007 STI

Torque Solution Thermal Downpipe Blanket Titanium Subaru EJ20/EJ25 - 2015-2021 Subaru STI / 2003-2006 Impreza

ETS Subaru STI V2 MaxFlow Front Facing Header - 2002-2007 Subaru WRX / 2004-2007 STI

GrimmSpeed Uppipe to Turbo Gasket - 2015-2021 Subaru STI / 2004-2013 Forester / 2002-2014 Impreza

Killer B Motorsport 4-1 Holy Header 2-Bolt w/EGT Bung - 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester XT

Torque Solution Turbo Blanket - 2015+ STI

aFe Twisted Steel Long Tube Headers - 2015-2021 Subaru STI

Mishimoto 3" Downpipe to Stock Exhaust Adapter - 2015-2021 Subaru WRX / STI / 2004-2013 Forester / 2002-2014 Impreza

HKS Silent Hi-Power Exhaust - 2002-2007 Subaru WRX / STI (GDB/GDA/GGA)

COBB Subaru Brushed Titanium Tip Kit - 2002-2007 Subaru WRX / 2004-2007 STI

HKS Carbon-Ti Cat Back Exhaust - 2002-2007 Subaru WRX / STI

Killer B EJ 2-Bolt Gasket Kit - 2002-2014 Subaru WRX / 2004-2021 STI / 2006-2013 Forester XT

Mahle Turbo Gasket Set Subaru Models - 2015-2021 Subaru STI / 2002-2014 Impreza

ETS Subaru MaxFlow V2 Headers V Band Flange - 2002-2007 Subaru WRX / 2004-2007 STI

Grimmspeed Turbo Heat Shield V2 - 2015-2021 Subaru STI / 2004-2008 Forester / 2002-2014 Impreza

Invidia Up Pipe without EGT Bung - 2004-2021 Subaru STI

GrimmSpeed 3in Downpipe to Stock Cat-Back Adapter - 2002-2021 Subaru Turbo EJ Engines

GrimmSpeed Exhaust Manifold to Head Gasket (Pair) - 2013-2016 Scion FR-S / 2002-2024 Subaru WRX / 2004-2021 STI / 2013-2020 BRZ / 2004-2013 Forester / 2017-2019 Toyota 86

COBB Tuning Turbo Heatshield - 2002-2007 Subaru WRX / 2004-2021 STI / 2004-2008 Forester XT

Overtake Adjustable Exhaust Hanger (Single) - 15mm - 1993-2007 Subaru Impreza / WRX / STi