Perrin Afta-Maf Hose Black (PSP-INT-350BK) | Subaru WRX 2002-2007 / STI 2004-2007

The Perrin Afta-Maf Hose replaces the restrictive factory post-MAF tube with a smooth, reinforced design that improves airflow and throttle response.

KEY FEATURES

• Smooth interior eliminates airflow turbulence
• Reinforced silicone resists collapsing under boost
• Improves throttle response and intake consistency
• Direct replacement for OEM post-MAF hose
• Designed specifically for EJ turbo applications

VEHICLE FITMENT

• Subaru WRX (2002–2007)
• Subaru STI (2004–2007)

Perrin products are engineered for precision Subaru performance and long-term reliability.