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| SKU | COBBSUB0040S1P-BL |
| MPN | SUB0040S1P-BL |
| Certifications | None |
Experience enhanced performance and refined airflow with the Cobb Cold Air Intake, designed specifically for the 2018 Subaru WRX STI. This Stage 1+ Power Package in iconic Cobb Blue optimizes your engine's breathing capabilities, helping to increase power and throttle response throughout the entire rev range.
The system features high-quality construction and precision engineering, ensuring a perfect fit and easy installation. It replaces the restrictive factory intake parts with a smooth, mandrel-bent aluminum piping and a premium air filter that maximizes airflow while providing excellent filtration to keep your engine protected.
Whether you're on the track or the street, this cold air intake is crafted to complement your tuning setup, boosting turbo efficiency and giving your Subaru the aggressive sound and performance gains it deserves. Trust in Cobb's reputation for motorsport-grade reliability and enjoy faster acceleration and improved engine efficiency with every drive.
The system features high-quality construction and precision engineering, ensuring a perfect fit and easy installation. It replaces the restrictive factory intake parts with a smooth, mandrel-bent aluminum piping and a premium air filter that maximizes airflow while providing excellent filtration to keep your engine protected.
Whether you're on the track or the street, this cold air intake is crafted to complement your tuning setup, boosting turbo efficiency and giving your Subaru the aggressive sound and performance gains it deserves. Trust in Cobb's reputation for motorsport-grade reliability and enjoy faster acceleration and improved engine efficiency with every drive.
Customer reviews
Based on 160 reviews
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We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















