Yellow Speed Racing Inverted Pro Street Coilovers - 2002-2007 Subaru WRX / 2004 Subaru STI (GD) PDM_drive-axles The front pipe modification on

The front pipe modification on the FA20 platform typically yields 8-12 wheel horsepower in addition to improved throttle response

This exhaust system features 304 stainless steel construction with the carbon tip option that is lighter and will produce a race-inspired exhaust note when compared to the OEM exhaust

The Cobb MAP Sensor Adapter for the 2004-2021 Subaru WRX STI is a 1/8in NPT tap adapter for metal intake manifold — required for 4-bar MAP sensor installation on STI and early WRX metal manifold applications

Front right location

worn endlink bushings are the next thing to address

Yellow Speed Racing Inverted Pro Street Coilovers - 2002-2007 Subaru WRX / 2004 Subaru STI (GD) PDM_drive-axles The front pipe modification onYellow Speed Racing Inverted Pro Street Coilovers 2002 2007 Subaru WRX 2004 Subaru STI (GD) Dynamic Pro Sport Character With an Inverted Monotube Front The Yellow Speed Racing Inverted Pro Street coilovers share the street oriented performance character of the Dynamic Pro Sport but upgrade the front damper to a 55mm inverted monotube body. The larger shock body increases shock fluid capacity for better heat management, improves shaft seal integrity,