Perrin Post-MAF Silicone Hose | 2008–2014 WRX / 2008–2021 STI / 2005–2009 Legacy GT | PSP-INT-355

The Perrin PSP-INT-355 post-MAF silicone hose replaces the factory corrugated rubber hose between the inlet tube and airbox with a smooth, durable silicone alternative. An ideal upgrade for high-mileage or older turbocharged Subarus that have developed cracks or holes in the original hose. Available in Black and Red. Key Features Replaces factory corrugated rubber post-MAF hose Smooth silicone construction — improved airflow and durability Ideal for restoring high-mileage or older turbo Subarus Available in Black (PSP-INT-355BK) and Red (PSP-INT-355RD) Vehicle Fitment 2008–2014 Subaru WRX 2008–2021 Subaru WRX STI 2005–2009 Subaru Legacy GT Specs Part Number: PSP-INT-355BK (Black) / PSP-INT-355RD (Red) Material: Silicone Position: Post-MAF (between inlet tube and airbox)