COBB Intake Tube & Filter Kit - VB WRX 22433AA542 and 32 radial groove valve

and 32 radial groove valve locks

A slight interference between the two springs helps dampen spring oscillations for more accurate valve control at very high rpm

Manufacturer Part Nos: 13581AA051 (Upper)

All EJ models with single scroll turbo

COBB Intake Tube & Filter Kit - VB WRX 22433AA542 and 32 radial groove valveSMOOTH FLOW COBB 3 inch mandrel bent aluminum tube with smooth flow and minimal restriction connects the factory airbox to the turbocharger inlet. The high flow replacement panel filter is designed to permit very high flow rates with long life. Reinforced silicone hose couplers complete the package. Because the factory airbox on these models now incorporates a hydrocarbon trap (an emissions device), a full intake system is no longer street legal. This