Cobb Stg 2+ Drivetrain Pkg w/ Weighted Shift Knob - Black Knob / White & Red Lockout - 2004-2021 Subaru STI 6MT PDM_wheels-and-tires The vibrant blue color adds

The vibrant blue color adds a modern and sporty touch

cause the engine to skip time

guarantee seamless integration with your vehicle's existing components

Works with OEM midpipe or our 3" midpipe

Cobb Stg 2+ Drivetrain Pkg w/ Weighted Shift Knob - Black Knob / White & Red Lockout - 2004-2021 Subaru STI 6MT PDM_wheels-and-tires The vibrant blue color addsThe Uppipe: The Restriction Between the Engine and the Turbo The Cobb Stainless Steel Uppipe for the Subaru 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 turbine and reducing