Turbo XS 50/50 Racing Bypass Valve - 2002-2007 Subaru WRX / 2004-2009 STI PDM_exhausts The flange on the Tomei

The flange on the Tomei headers is highly rigid

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

but tuning can add power

no crimping

a deck pair of deck plates are attached and the short block is bored and honed to 99

Turbo XS 50/50 Racing Bypass Valve - 2002-2007 Subaru WRX / 2004-2009 STI PDM_exhausts The flange on the TomeiTurbo 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