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The Subaru WRX STi ECU is very sensitive to modifications and will not accept most aftermarket intake kits without the use of an additional and costly tuner
Specifications:
When it comes to reducing aerodynamic drag to your 2013-2021 Scion FR-S / Subaru BRZ / Toyota GT86
Dress-up your 2004-2009 Honda S2000 exterior with carbon fiber
Injen Short Ram Air Intake 2016-2023 Mazda MX-5 2.0L Sport Cross The Subaru WRX STi ECUIs your engine choking for air and in need of some additional horsepower? If so, Injen has exciting news for you! The SP series of cold air intakes from Injen Technology will allow your engine to breathe deeper and enhance the performance that youve been craving. The SP series of cold air intakes is Injens flagship system in their lines of traditional aluminum cold air intake systems. Injen Technology is the worlds first tuned air intake system and