Yellow Speed Racing Advanced Pro Plus Racing Tarmac Rally Spec Coilovers - 2008-2014 Subaru WRX / 2008-2011 Subaru Impreza (GH/GE/GV/GR) Rear Upper Mount Style:Aluminum w/ Hardened Rubber Bushings Matched ECU/TCM Maps

Matched ECU/TCM Maps

Under light boost (0–4 psi)

Our unique design also features CNC machined bellhorns that act as internal velocity stacks

Performance lowering springs included

Required when installing the Cobb FMIC core without purchasing the complete FMIC kit

Yellow Speed Racing Advanced Pro Plus Racing Tarmac Rally Spec Coilovers - 2008-2014 Subaru WRX / 2008-2011 Subaru Impreza (GH/GE/GV/GR) Rear Upper Mount Style:Aluminum w/ Hardened Rubber Bushings Matched ECU/TCM MapsYellow Speed Racing Advanced Pro Plus Racing Tarmac Rally Spec Coilovers 2008 2014 Subaru WRX 2008 2011 Subaru Impreza (GH GE GV GR) Purpose Built for Tarmac Rally and Hill Climb Competition The Yellow Speed Racing Advanced Pro Plus Racing Tarmac Rally Spec is engineered for closed course tarmac rally events, hill climbs, and competitive asphalt rally stages. Unlike traditional circuit setups, it is calibrated for the specific demands of tarmac rally