The Perrin Cold Air Intake for your 2018-2021 Subaru STI delivers a massive performance upgrade. This kit focuses on air intake, ensuring your vehicle's engine receives the most pure and fresh air possible. The specially designed filter helps to reduce fuel consumption, leading to improved fuel efficiency. But this is not just about fuel savings - this performance upgrade is about raw power and acceleration. The 3D design of the intake manifold ensures efficient air flow, enabling a smooth and powerful engine response. Engineered to fit the rigid body design of the Subaru STI, this intake system will not compromise on style and appearance. The red color, a bold and eye-catching choice, adds to the aggressive and motorsport-inspired look of your vehicle. If you're looking for a way to breathe new life into your Subaru STI, the Perrin Cold Air Intake is the perfect solution.