GrimmSpeed 3-Port Electronic Boost Control Solenoid Subaru WRX 2002-2005 | 057001 STI_2004-2007 known as the bump-steer correction

known as the bump-steer correction kit

and 2" lap belts with Pull-up adjusters

small turbo upgrades for NA cars

long-lasting durability

GrimmSpeed 3-Port Electronic Boost Control Solenoid Subaru WRX 2002-2005 | 057001 STI_2004-2007 known as the bump-steer correctionFitment Information: 2002 2005 Subaru WRX Features: The GrimmSpeed Boost Control Solenoid is the most complete and easy to use 3 Port Electronic BCS for your 02 05 WRX. Unlike your OEM 2 port solenoid, the GrimmSpeed BCS will allow for extremely high resolution boost control at elevated boost pressures, providing your tuner with the hardware needed to safely tune your car with rock solid boost levels. Using our solenoid, you are able to spool your