GrimmSpeed Stage 1 Power Package Subaru WRX 2008-2014 vendor_Cosmis Wheels leading to inaccurate AFR readings

leading to inaccurate AFR readings

NOTE: available in black only

Center ElectrodeElectrode Tip Material: IridiumElectrode Core Material: Copper

2007-2008 Infiniti G35 (Models include: Journey

GrimmSpeed Stage 1 Power Package Subaru WRX 2008-2014 vendor_Cosmis Wheels leading to inaccurate AFR readingsThe GrimmSpeed Stage 1 Power Package is an excellent place to start when modifying your 2008 2014 Subaru WRX. The upgraded GrimmSpeed 3 Port Boost Control Solenoid offers more accurate and more responsive boost control and is a must when having your vehicle professionally tuned. The GrimmSpeed Intake adds an additional performance increase by reducing pre turbo restriction, which allows your turbo to build boost more quickly and more efficiently. It's