Perrin Post MAF Hose Red 2008-2014 WRX / 2008-2021 STI / 2005-2009 Legacy GT / 2005-2009 Outback XT | Improved Airflow | Performance Intake Hose
Overview
The Perrin Post MAF Hose in red is a direct replacement for the factory post-MAF intake hose on select turbocharged Subaru models including the 2008-2014 WRX, 2008-2021 WRX STI, 2005-2009 Legacy GT, and 2005-2009 Outback XT. This silicone hose addresses common issues found in OEM corrugated rubber hoses such as cracking, collapsing, and airflow restriction, making it an essential upgrade for high-mileage or aging vehicles. Designed specifically for Subaru turbo applications, it restores and enhances airflow efficiency to support improved engine performance.
Engineered with a smooth inner bore and a larger internal diameter compared to the stock hose, the Perrin Post MAF Hose eliminates the restrictive pleats found in the factory part. This design philosophy focuses on maximizing airflow while maintaining durability under boost conditions. Constructed from premium silicone, the hose offers superior heat resistance and longevity, ensuring consistent performance even in demanding driving scenarios.
For Subaru enthusiasts, this hose upgrade translates to tangible benefits such as quicker turbo spool times, increased horsepower potential, and sharper throttle response. By optimizing the intake airflow path, it supports more efficient engine breathing and contributes to a more responsive driving experience. The included clamps and installation instructions make upgrading straightforward, allowing owners to maintain their Subaru’s intake system reliability and performance with confidence.
Features & Specifications
This Perrin Performance Post MAF Hose is engineered for turbocharged Subaru WRX, WRX STI, Legacy GT, and Outback XT models. Featuring a smooth silicone construction with a larger internal diameter, it delivers improved airflow and durability for enthusiasts seeking enhanced intake efficiency and reliability.
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Brand: Perrin Performance
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Product: Post MAF Hose Red
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Part Number: PSP-INT-355RD
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Fitment: 2008-2014 WRX / 2008-2021 WRX STI / 2005-2009 Legacy GT / 2005-2009 Outback XT
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Material: Premium Silicone
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Finish: Red
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Construction: Molded Silicone Hose
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Origin: Made in USA
Key Benefits
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Performance: Larger internal diameter and smooth bore improve airflow for faster turbo spool and increased horsepower potential.
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Durability: Premium silicone construction resists cracking and collapsing common in OEM rubber hoses, extending service life.
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Fitment: Designed specifically for turbocharged Subaru models ensuring a precise, direct replacement without modifications.
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Reliability: Maintains consistent intake pressure and airflow under boost, supporting stable engine performance.
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Ease of Installation: Includes clamps and instructions for a straightforward upgrade accessible to enthusiasts with basic mechanical skills.
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Aesthetics: Vibrant red finish adds a subtle visual upgrade under the hood while maintaining OEM+ quality.
What's Included
- 1× Perrin Post MAF Hose Red
- 2× Hose Clamps
- Installation Instructions
Installation & Compatibility
Installation of the Perrin Post MAF Hose is a straightforward process suitable for enthusiasts comfortable with basic intake system work. The hose is a direct bolt-on replacement requiring no cutting or modifications. Standard hand tools such as screwdrivers or socket wrenches are sufficient for removal of the old hose and securing the new one. While professional installation is not necessary, verifying fitment for your specific Subaru model year and trim is recommended to ensure compatibility. No tuning adjustments are required after installation, making this an easy upgrade to restore intake system integrity 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 year and trim level
Shop with confidence at Subimods—your Subaru parts specialists.
