Perrin Throttle Body Hose Blue 2002-2007 WRX / 2004-2021 STI / 2004-2008 Forester XT | 5-Ply Reinforced Silicone | Intake Upgrade Hose
Overview
The Perrin Throttle Body Hose is a direct replacement for the OEM rubber coupler on select Subaru models, including the 2002-2007 WRX, 2004-2021 Subaru WRX STI, and 2004-2008 Forester XT. Designed to improve throttle response and airflow efficiency, this hose is an essential upgrade for enthusiasts looking to enhance their forced induction system’s reliability and performance. Whether your Subaru is stock or features upgraded boost levels, this hose provides a durable and precise fit that supports consistent engine operation under demanding conditions.
Engineered with a focus on durability and performance, the Perrin throttle body hose utilizes 5-ply reinforced silicone construction. This design resists heat, oil, and pressure far better than the OEM rubber counterpart, reducing the risk of leaks or failures that can compromise boost delivery. The hose’s OEM replacement shape ensures a seamless installation process while maintaining a clean and professional engine bay appearance. Perrin’s commitment to quality and Subaru-specific engineering makes this hose a trusted choice for serious Subaru owners.
Upgrading to the Perrin throttle body hose translates to tangible benefits in throttle feel and intake system reliability. The improved airflow characteristics help maintain consistent boost pressure and throttle response, which is critical for turbocharged Subaru platforms. This hose also contributes to long-term durability, reducing maintenance concerns and supporting the performance potential of your WRX, WRX STI, or Forester XT. For Subaru enthusiasts who demand both form and function, this intake upgrade is a practical and effective enhancement.
Features & Specifications
This Perrin throttle body hose is engineered for Subaru WRX, WRX STI, and Forester XT models, featuring 5-ply reinforced silicone construction for superior durability and heat resistance. Designed as a direct OEM replacement, it delivers improved throttle response and airflow efficiency for forced induction setups.
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Brand: Perrin Performance
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Product: Throttle Body Hose Blue 2002-2007 WRX / 2004-2021 STI / 2004-2008 Forester XT
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Part Number: PSP-ITR-301BL
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Fitment: 2002-2007 Subaru WRX, 2004-2021 Subaru WRX STI, 2004-2008 Subaru Forester XT
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Material: 5-ply Reinforced Silicone
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Finish: Blue
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Construction: Molded OEM Replacement
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Origin: USA
Key Benefits
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Performance: Enhances throttle response and airflow for improved boost delivery and engine efficiency.
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Durability: 5-ply reinforced silicone resists heat, oil, and pressure, ensuring long-lasting reliability.
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Fitment: Precise OEM replacement design guarantees a secure, leak-free fit with easy installation.
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Aesthetics: Clean blue finish adds a subtle visual upgrade to the engine bay.
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Reliability: Reduces risk of boost leaks common with aging OEM rubber hoses, supporting consistent performance.
What's Included
- 1× Perrin Throttle Body Hose (Blue)
- 1× Intercooler Coupler
- 2× Hose Clamps
- Installation Instructions
Installation & Compatibility
Installation of the Perrin throttle body hose is straightforward and designed to be a direct OEM replacement, making it a DIY-friendly upgrade for Subaru owners with basic mechanical skills. No special tools are required beyond standard hand tools for hose clamp removal and tightening. The hose fits 2002-2007 WRX, 2004-2021 WRX STI, and 2004-2008 Forester XT models without modification. While no tuning is required, this hose complements both stock and modified forced induction setups by maintaining reliable boost pressure and throttle response.
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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 model year and trim before installation
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