Turbo XS 50/50 Racing Bypass Valve - 2002-2007 Subaru WRX / 2004-2009 STI PDM_exhausts it minimizes Sulfated Ash (≤

it minimizes Sulfated Ash (≤ 0

but tuning can add power

ETS has designed a super performance unit with their V2 MaxFlow Header

These are the Fuel Injector Clinic Jetronic / EV1 Female to Denso Injector Plug Adapters

OLM now has an F1 style lamp for the 2015+ WRX / STI

Turbo XS 50/50 Racing Bypass Valve - 2002-2007 Subaru WRX / 2004-2009 STI PDM_exhausts it minimizes Sulfated Ash (≤Turbo XS 02 07 WRX 04 09 STi 50 50 Racing Bypass ValveThis Part Fits: Year Make Model Submodel 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