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Injen 15-21 Subaru WRX 2.0L 4 Cyl. Polished Cold Air Intake

Take your Subaru WRX to the next level with Injen's SP Aluminum Series Short Ram Air Intake System. This polished cold air intake is designed to increase power and torque while providing a sleek, high-performance look.

With its durable construction and unbeatable Injen Technology limited Lifetime Warranty, you can trust that this air intake system will perform for years to come.

  • Increases power and torque
  • Polished finish for a high-performance look
  • Durable construction for long-lasting performance
  • Unbeatable Injen Technology limited Lifetime Warranty
Make Model Year Type
Subaru WRX 2016 Base
Subaru WRX 2016 Limited
Subaru WRX 2016 Premium
Subaru WRX 2015 Base
Subaru WRX 2015 Limited
Subaru WRX 2015 Premium
Subaru WRX 2017 Base
Subaru WRX 2017 Limited
Subaru WRX 2017 Premium
Subaru WRX 2018 Base
Subaru WRX 2018 Limited
Subaru WRX 2018 Premium
Subaru WRX 2019 Base
Subaru WRX 2019 Limited
Subaru WRX 2019 Premium
Subaru WRX 2020 Base
Subaru WRX 2020 Limited
Subaru WRX 2020 Premium
Subaru WRX 2021 Base
Subaru WRX 2021 Limited
Subaru WRX 2021 Premium
In 1988, a young entrepreneur named Ron Delgado was working late into the evening – trying to find a better way to polish products for his family “job shop” business. At the time, most machines only polished along flat surfaces. But when Ron had the idea for a multi-axis machine – which could polish better and faster than anything he had used before - he was determined to make it a reality. What began as a mission to perfect the art of polishing soon grew into a full-fledged quest to develop industry-changing design and manufacturing solutions. And, in 1991 – as the demand for high quality aftermarket air induction products began to reach scale – Ron knew he had found an opportunity to make his mark on an industry he loved. Launching Injen – with a pioneering patent that allowed enthusiasts to achieve better performance from their vehicles without annoying “Check Engine Lights” (CEL’s) – Ron and his team have never waivered from their commitment to innovate and deliver products that solve for the increasingly complex nature of vehicles brought to market.
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