Cobb 15-18 Subaru WRX STI Airbox subaru-forester-xt-2013 A plug-and-play adapter provides OEM-level

A plug-and-play adapter provides OEM-level integration for the PCV connection

Subaru 02-05 WRX Stage 1+ Power Package w/V3

Fuel Pressure Regulator Manifold Reference Relocation Kit Improved Vacuum Reference for the FPR - Plenum Based (COBB) vs

The Stage 2+ Drivetrain Package includes the COBB Tuning Subaru Rear Shifter Bushing

silver powder coat to keep the engine bay tidy

Cobb 15-18 Subaru WRX STI Airbox subaru-forester-xt-2013 A plug-and-play adapter provides OEM-levelThe SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine bay air that robs horsepower is prevented from entering the intake system to provide consistent intake performance. This unique design also separates rainwater from the intake air, eliminating the water ingestion issues that plague in