Perrin Turbo Inlet Hose 3 Inch Black 2002-2007 WRX / 2004-2021 STI / 2004-2008 FXT | Increased Airflow | Performance Turbo Inlet Hose
Overview
The Perrin Turbo Inlet Hose is a high-quality replacement designed specifically for Subaru WRX, WRX STI, and Forester XT models with 3-inch turbocharger inlets. This hose is engineered to improve airflow efficiency by eliminating the restrictive pleats found in the OEM inlet hose, resulting in enhanced horsepower, quicker turbo spool times, and improved throttle response. It is an ideal upgrade for enthusiasts looking to maximize the performance of their turbocharged Subaru without the need to fabricate custom intake components.
Built using advanced silicone technology, the Perrin inlet hose offers superior durability and flexibility compared to the stock rubber hose. Its smooth internal surface and larger diameter optimize airflow, while a stainless steel support wire embedded within the silicone layers prevents hose collapse under high boost pressures. The inclusion of a glass-filled reinforced nylon coupler and machined aluminum blow-off valve insert further exemplify Perrin’s commitment to precision engineering and long-lasting quality.
For Subaru owners, this turbo inlet hose delivers tangible real-world benefits by enhancing engine breathing and responsiveness without requiring ECU tuning. The plug-and-play crankcase vent connector maintains emissions compliance and simplifies installation, making it a practical and effective upgrade for daily drivers and performance builds alike.
Features & Specifications
This Perrin Turbo Inlet Hose is engineered for 2002-2007 WRX, 2004-2021 WRX STI, and 2004-2008 Forester XT models and features a 3-inch internal diameter with smooth silicone construction. Constructed from reinforced silicone with embedded stainless steel support wire and glass-filled nylon couplers, it delivers increased airflow and durability for Subaru enthusiasts seeking improved turbocharger efficiency and throttle response.
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Brand: Perrin Performance
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Product: Turbo Inlet Hose 3 Inch Black
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Part Number: PSP-INT-410BK
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Fitment: 2002-2007 WRX / 2004-2021 STI / 2004-2008 FXT
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Material: Reinforced Silicone with Stainless Steel Support Wire
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Finish: Black Silicone
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Construction: Molded Silicone with Embedded Wire and Machined Aluminum Insert
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Origin: Made in USA
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Tuning Required: No (Tuning Recommended for Additional Gains)
Key Benefits
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Performance: Increased internal diameter and smooth bore reduce airflow restriction for improved horsepower and turbo spool.
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Durability: Stainless steel support wire prevents hose collapse under high boost and extends service life beyond OEM parts.
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Fitment: Direct bolt-on replacement compatible with stock and aftermarket intake systems designed for 3" turbo inlets.
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Quality: High-grade silicone and reinforced nylon couplers withstand extreme engine bay temperatures and racing conditions.
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Emissions Compliance: Plug-and-play crankcase vent connector maintains OEM emission control without modification.
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Ease of Installation: Includes polished couplers, fuel hose, and hardware for a straightforward upgrade with no tuning required.
What's Included
- 1× Perrin 3" Turbo Inlet Hose (Black)
- 3× Polished Nylon Couplers
- 1× 1/2" Fuel Hose
- All necessary mounting hardware
- Installation instructions
Installation & Compatibility
The Perrin Turbo Inlet Hose is designed for a straightforward, bolt-on installation that is DIY-friendly for enthusiasts with basic mechanical skills. No special tools are required beyond standard hand tools. The hose fits directly onto the turbo inlet and intake system components designed for 3-inch diameter hoses. While no ECU tuning is required to safely gain power and torque, additional tuning can unlock further performance benefits. The included OEM-style crankcase vent connector ensures emissions compliance without modifications.
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Professional Installation: Recommended for those unfamiliar with turbo system components
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Modifications Required: None
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Verify Compatibility: Confirm fitment for your specific Subaru model year and turbo setup
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