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WRX STI (5x100 bolt pattern
500°F continuous Pyrojacket protection
the Big MAF Intake increases airflow to the engine and enhances the maximum flow through the OEM MAF sensor
Material: 5052 Plate Aluminum
making it a practical upgrade for daily drivers and track enthusiasts alike
COBB V3 Air / Oil Separator (AOS) 2015-2021 WRX perrinflash WRX STI (5x100 bolt patternThe COBB Subaru Air Oil Separator helps to prevent crankcase oil vapors from recirculating back through your engine's intake system. Oil vapors passing through your engine's intake system lower the effective octane rating of fuel and can contribute to both oil and carbon buildup over time. The COBB Air Oil Separator has been developed in partnership with IAG Performance and offers exclusive features: 1 Liter Holding Capacity Integrated ORB Ports
