Perrin Hi-Power Cold Air Intake Wrinkle Red 2018-2021 STI | +Horsepower & Throttle Response | Cold Air Intake System
Overview
The Perrin Hi-Power Cold Air Intake is a precision-engineered upgrade designed specifically for Subaru WRX STI models from 2018 to 2021. This intake system enhances your engine’s breathing by increasing airflow, improving throttle response, and delivering measurable horsepower and torque gains. It’s ideal for enthusiasts seeking a reliable, bolt-on performance enhancement that complements the factory setup without requiring ECU tuning.
Built with a CNC mandrel-bent aluminum intake tube and a high-flow open-cell foam filter, the Perrin intake balances airflow efficiency with filtration performance. The intake tube’s diameter and airflow straightener are calibrated to maintain accurate MAF sensor readings, ensuring safe and consistent power delivery. Finished in a durable wrinkle red powder coat, this intake combines functional engineering with a clean, aggressive under-hood appearance.
For Subaru WRX STI owners, this intake offers a straightforward power upgrade that integrates seamlessly with the stock engine management system. The improved airflow dynamics translate to enhanced throttle response and a more aggressive engine sound under acceleration, elevating the driving experience without compromising reliability or requiring additional tuning.
Features & Specifications
This Perrin 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 wrinkle red powder-coated finish. Constructed from high-quality aluminum and open-cell foam, it delivers increased airflow and throttle response for Subaru enthusiasts seeking reliable horsepower gains without tuning.
-
Brand: Perrin Performance
-
Product: Hi-Power Cold Air Intake Wrinkle Red
-
Part Number: PSP-INT-326RD
-
Fitment: 2018-2021 Subaru WRX STI
-
Material: CNC Mandrel-Bent Aluminum, Open-Cell Foam Filter
-
Finish: Wrinkle Red Powder Coat
-
Construction: CNC Machined and Mandrel Bent
-
Origin: USA Made
-
Power Gains: Dyno-Proven Horsepower and Torque Increase
-
Tuning Required: No
-
MAF Compatibility: Calibrated Intake Tube Diameter with Airflow Straightener
Key Benefits
-
Performance: Noticeable horsepower and torque gains across the RPM range for improved acceleration and throttle response.
-
Fitment: Direct bolt-on design fits factory mounting points without modifications, ensuring easy installation and reliable fit.
-
Durability: Powder-coated aluminum tube resists corrosion and maintains a clean appearance under the hood.
-
Filter Quality: Washable and reusable open-cell foam filter offers superior dust holding capacity with minimal airflow restriction.
-
Reliability: Engineered for consistent MAF sensor readings to maintain safe and predictable engine performance without tuning.
-
Sound & Style: Enhances engine induction sound with a clean, high-performance aesthetic in wrinkle red finish.
What's Included
- 1× Perrin Hi-Power Cold Air Intake Wrinkle Red
- 1× High-Flow Open-Cell Foam Air Filter
- Installation Instructions for Intake and Filter
Installation & Compatibility
The Perrin Hi-Power Cold Air Intake is designed for straightforward installation using existing factory mounting points, making it a DIY-friendly upgrade for Subaru WRX STI owners with basic mechanical skills. No special tools beyond standard hand tools are required. Since this intake is calibrated for stock MAF sensor compatibility, no ECU tuning or recalibration is necessary, preserving factory reliability and drivability.
-
Professional Installation: Recommended for those unfamiliar with intake systems but generally DIY-friendly
-
Modifications Required: None
-
Verify Compatibility: Confirm fitment for 2018-2021 Subaru WRX STI models before purchase
Shop with confidence at Subimods—your Subaru parts specialists.
