Cobb Stg 1+ Drivetrain Package w/ Tall Shifter (Tall Weighted Knob) - Black - 2002-2007 Subaru WRX 5MT PDM_cooling This would be the cost

This would be the cost effective choice

offers excellent lubrication under extreme conditions

a proper fuel pressure regulator is a key component in terms of controlling the fuel flow to your injectors

Sharp Tone

Cobb Stg 1+ Drivetrain Package w/ Tall Shifter (Tall Weighted Knob) - Black - 2002-2007 Subaru WRX 5MT PDM_cooling This would be the costThe Uppipe: The Restriction Between the Engine and the Turbo The Cobb Stainless Steel Uppipe for the 2002 2007 Subaru WRX STI replaces the restrictive factory unit between the exhaust manifold and the turbocharger. The factory uppipe contains a flex section that collapses over time and a catalytic converter that restricts exhaust flow before it reaches the turbine wheel. The Cobb uppipe removes both restrictions, improving exhaust gas flow to the