Perrin Hi-Power Cold Air Intake Neon Yellow 2018-2021 STI | Increased Airflow & Throttle Response | Cold Air Intake System
Overview
The Perrin Hi-Power Cold Air Intake is a precision-engineered upgrade designed specifically for the 2018-2021 Subaru WRX STI. This intake system enhances engine breathing by increasing airflow and improving throttle response, making it an ideal choice for enthusiasts seeking reliable power gains without sacrificing daily drivability. Built to integrate seamlessly with your vehicle’s factory components, it offers a straightforward bolt-on installation that maintains OEM-level fitment and finish.
Crafted with a CNC mandrel-bent aluminum intake tube and a high-flow open-cell foam filter, the Perrin Hi-Power Intake emphasizes smooth, unrestricted airflow while protecting your engine from contaminants. The intake tube diameter is carefully calibrated to work with the stock MAF sensor, ensuring accurate airflow readings and consistent performance without the need for ECU tuning. The powder-coated neon yellow finish not only adds a distinctive visual upgrade under the hood but also provides corrosion resistance for long-term durability.
For Subaru WRX STI owners, this intake delivers tangible improvements in horsepower and torque across the RPM range, enhancing the driving experience with a more aggressive engine sound and sharper throttle response. Its design balances performance gains with reliability and ease of installation, making it a practical upgrade for both street and spirited driving.
Features & Specifications
This Perrin Performance Hi-Power Cold Air Intake is engineered for the 2018-2021 Subaru WRX STI and features a CNC mandrel-bent aluminum intake tube with a high-flow, washable foam filter. Constructed from durable aluminum with a powder-coated finish, it delivers improved airflow and throttle response for Subaru enthusiasts seeking reliable power gains and OEM-quality fitment.
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Brand: Perrin Performance
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Product: Hi-Power Cold Air Intake Neon Yellow 2018-2021 STI
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Part Number: PSP-INT-326NY
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Fitment: 2018-2021 Subaru WRX STI
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Material: CNC Mandrel-Bent Aluminum
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Finish: Neon Yellow Powder Coat
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Construction: CNC Machined and Mandrel Bent
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Origin: Made in USA
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Power Gains: Dyno-Proven Horsepower and Torque Increase
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Tuning Required: No
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Filter Type: Washable Open-Cell Foam
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MAF Compatibility: Tuned for Stock MAF Sensor
Key Benefits
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Performance: Noticeable horsepower and torque gains across the RPM range improve acceleration and engine responsiveness.
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Fitment: Direct bolt-on design ensures seamless integration with factory mounting points and no modifications required.
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Durability: Powder-coated aluminum tube resists corrosion and maintains a clean appearance under the hood.
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Maintenance: Washable and reusable foam filter provides long service life and excellent dust-holding capacity.
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Sound: Enhances engine induction noise for a more aggressive and engaging driving experience.
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Reliability: Calibrated intake tube diameter and airflow straightener ensure consistent MAF sensor readings without ECU tuning.
What's Included
- 1× Perrin Hi-Power Cold Air Intake Neon Yellow (PSP-INT-326NY)
- 1× High-Flow Washable Foam Air Filter
- Mounting hardware for direct bolt-on installation
- Installation instructions
- Filter maintenance instructions
Installation & Compatibility
The Perrin Hi-Power Cold Air Intake is designed for a straightforward installation that is accessible to enthusiasts with basic mechanical skills. It bolts directly onto existing factory mounting points without requiring modifications or special tools. No ECU tuning or recalibration is necessary, making it a plug-and-play upgrade for the 2018-2021 Subaru WRX STI. While professional installation is not required, following the included instructions carefully will ensure optimal fitment and performance.
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Professional Installation: DIY-Friendly
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Modifications Required: None
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Verify Compatibility: Confirm fitment for your specific 2018-2021 WRX STI model
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