Perrin PSP-INT-424RD 3" Red Turbo Inlet Hose for 15-21 Subaru WRX/Forester XT

Vehicle Fitment

• 2015-2021 Subaru WRX (2.0 L turbo, FWD)
• 2015-2018 Subaru Forester XT (2.0 L turbo, AWD)

Fitment Notes

• Direct-fit replacement for OEM turbo inlet hose with 3.0" flange
• No tuning required--works with OEM and aftermarket intake systems
• Canadian XT models with aluminum inlet require ½" coolant line connector

Features

• 3.0" smooth internal ID increases airflow over OEM 2.6" hose
• CNC-machined billet flange with OEM-style O-ring prevents vacuum leaks
• Reinforced multi-layer silicon with embedded stainless-steel wire resists collapse under high boost
• Integrated velocity stack ensures optimal airflow to turbo inlet
• Red silicone adds engine-bay aesthetic enhancement
• Includes nozzle to support boost control solenoid or blow-off valve
• Worry-free 5-year manufacturer warranty--no tuning or modifications required

Specifications

• Part Number: PSP-INT-424RD
• Internal Diameter: 3.0"
• Flange: CNC billet aluminum with black anodize
• Material: 5-ply silicone with stainless-steel reinforcement
• Color: Red silicone; black flange
• Included Nozzle: Yes
• Warranty: 5-year from Perrin Performance

Included Components

• 1x Perrin 3" red silicone turbo inlet hose
• 1x CNC billet flange adapter
• 1x Boost-control or vacuum nozzle
• Assorted hose clamps and installation hardware

Product Description

The Perrin PSP-INT-424RD turbo inlet hose is a direct replacement for 2015-2021 WRX and 2015-2018 Forester XT models, offering a true 3" internal flow path from intake to turbo. The smooth-bore silicone design eliminates OEM corrugations, reducing airflow restriction and enhancing throttle response without the need for tuning.

Built with premium materials--CNC billet flange, 5-ply reinforced silicone, integrated velocity stack, and support nozzle--this hose not only improves airflow and reliability under boost but also adds an engine-bay style upgrade in bright red. Backed by a 5-year warranty and included clamps, installation is quick, safe, and maintenance-free.