Perrin Throttle Body Hose Red 2002-2007 WRX / 2004-2021 STI / 2004-2008 Forester | Multi-Layer Silicone | Intake Upgrade Hose
Overview
The Perrin Throttle Body Hose in red is a direct replacement for the OEM rubber throttle body hose on select Subaru models including the 2002-2007 WRX, 2004-2021 Subaru WRX STI, and 2004-2008 Forester. Designed to improve intake system reliability and throttle response, this hose is an essential upgrade for enthusiasts looking to enhance their vehicle’s performance and engine bay aesthetics. It offers a durable, leak-resistant connection between the throttle body and intercooler piping, ensuring consistent airflow under all driving conditions.
Engineered with multi-layer reinforced silicone, the Perrin throttle body hose stands out for its superior heat, oil, and pressure resistance compared to stock rubber components. This construction not only extends the hose’s lifespan but also maintains its shape and seal integrity over time, even when subjected to the demanding environments typical of turbocharged Subaru engines. The vibrant red finish adds a subtle yet distinctive visual upgrade that complements performance builds while maintaining OEM+ quality.
For Subaru owners, this throttle body hose upgrade translates into smoother throttle response and improved intake efficiency. Whether you’re running a stock setup or have made supporting modifications, the Perrin hose provides a reliable, long-lasting solution that helps maintain optimal airflow and engine performance. It’s a practical enhancement that blends durability with style, making it a smart choice for anyone committed to keeping their Subaru running strong.
Features & Specifications
This Perrin Performance throttle body hose is engineered for Subaru WRX, WRX STI, and Forester models, featuring multi-layer reinforced silicone construction. Built to withstand heat, oil, and pressure, it delivers enhanced durability and a leak-resistant seal for enthusiasts seeking reliable intake system upgrades.
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Brand: Perrin Performance
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Product: Throttle Body Hose Red 2002-2007 WRX / 2004-2021 STI / 2004-2008 Forester
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Part Number: PSP-ITR-301RD
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Fitment: 2002-2007 Subaru WRX, 2004-2021 Subaru WRX STI, 2004-2008 Subaru Forester
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Material: Multi-layer reinforced silicone
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Finish: Red
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Construction: Molded, reinforced silicone hose
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Origin: Made in USA
Key Benefits
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Durability: Multi-layer silicone resists heat, oil, and pressure for long-lasting performance
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Fitment: Direct OEM replacement ensures a secure, leak-free connection without modifications
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Performance: Maintains consistent airflow for improved throttle response and intake efficiency
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Aesthetics: Vibrant red finish enhances engine bay appearance with a clean, OEM+ look
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Reliability: Reinforced construction prevents hose collapse or deformation under boost pressure
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Compatibility: Suitable for both stock and high-performance Subaru setups
What's Included
- 1× Perrin Throttle Body Hose Red
- 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 bolt-on replacement for the specified Subaru WRX, WRX STI, and Forester models. Basic hand tools are sufficient for the swap, making it a DIY-friendly upgrade for enthusiasts comfortable with simple intake system work. No special modifications or trimming are required, and the included clamps ensure a secure, leak-free fit. This hose is compatible with stock and modified intake systems, but tuning is not necessary solely for this upgrade.
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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
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