Process West Cold Air Intake 72mm Big MAF Subaru WRX / STI 2002-2007 | PWCAI05 Monitor When compared to twin tube

When compared to twin tube designs the Monotube dissipates heat better

Brian Crower rods for the 4G63 engine are made from 4340 billet steel

Part #: SCR5441-6

minimal rotor wear

Part Number: 13534500

Process West Cold Air Intake 72mm Big MAF Subaru WRX / STI 2002-2007 | PWCAI05 Monitor When compared to twin tubeProduct Fitment: 2002 2007 Subaru WRX 2004 2007 Subaru STI Unlock improved airflow and a more aggressive induction sound with the Process West 72mm Cold Air Intake, designed as a direct replacement for the factory intake system on 20022007 Subaru WRX and STI models. Engineered to reduce intake restriction, this system allows your EJ engine to breathe more efficientlyhelping improve overall performance and throttle response. By eliminating the