Perrin [02-07 WRX, 04-21 STI, 04-08 FXT] 2.4" Turbo Inlet Hose - Black/Red/Blue | PSP-INT-401

Boost performance and throttle response with the Perrin Turbo Inlet Hose—a simple upgrade that delivers big gains. Unlike the restrictive, pleated OEM inlet, the Perrin Turbo Inlet Hose features a perfectly smooth interior and a significantly larger internal diameter, increasing airflow, reducing turbo spool time, and improving overall engine response. Whether you're running a stock turbo or a high-output setup, this upgrade ensures your engine gets the air it needs, when it needs it.

Built from multi-layer silicone and reinforced with an internal stainless steel wire, this inlet hose maintains its shape even under extreme boost or with high-restriction filters. That means consistent performance, long-term durability, and no risk of collapse under pressure.

Key Features:

• Larger internal diameter for increased airflow
• Smooth inner walls eliminate turbulence and restriction
• Improves throttle response, turbo spool, and acceleration
• Multi-layer high-temp silicone construction
• Embedded stainless steel support wire prevents hose collapse
• Ideal for stock or high-boost turbo setups
• Direct-fit replacement for OEM turbo inlet hose

What's Included:

• Perrin Silicone Turbo Inlet Hose
• Stainless Steel Clamps
• Installation Instructions
• Warranty Information

Installation:

• Difficulty: Moderate (3/5)
• Time: 60–90 minutes
• Tools Required: Basic hand tools, hose clamp driver recommended

Fitment: Designed for 02-07 WRX, 04-21 STI, and 04-08 Forester XT models. Verify compatibility with your specific year and trim before ordering.

Warranty: Perrin Limited Warranty

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