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Unleash Power with the Injen SP Series Polished Cold Air Intake for Subaru WRX STI (2018-2021)

Elevate your driving experience with the Injen SP Series Cold Air Intake, specifically designed for the 2018-2021 Subaru WRX STI models featuring the H4 2.5L turbocharged engine. This intake system is engineered to maximize airflow, delivering a significant boost in horsepower, torque, and an aggressive, throaty exhaust note that complements your STI's performance.

Engineered for Superior Performance and Filtration

The Injen SP Series represents the pinnacle of their traditional aluminum cold air intake systems, incorporating patented technologies for optimal engine performance:

• Patented Tuning Technologies: Injen's expertise ensures the intake system is precisely tuned to work with your engine's ECU, optimizing air-fuel ratios and maximizing power delivery.
• High-Flow SuperNano-Web Filter: This fully serviceable dry air filter offers increased surface area for maximum airflow and superior filtration, protecting your engine without restricting performance.
• Aggressive Sound: Experience a more pronounced and exhilarating engine sound that enhances the thrill of driving your STI.
• Polished Finish: The intake tube is finished in a striking polished aluminum, adding a custom, high-performance look to your engine bay.

This Cold Air Intake is designed to replace the restrictive factory airbox, allowing your engine to breathe more freely. The result is improved throttle response and a more engaging driving experience. Installation is straightforward, designed for a direct fit on the specified Subaru models.

Backed by Injen Technology's limited Lifetime Warranty, this SP Series Cold Air Intake is a testament to quality and performance. Enhance your Subaru WRX STI's capabilities and style. Purchase yours today at GGCRACING!