COBB Post MAF Hose Stealth Black (712010-BK) | Subaru WRX 2002-2007 / STI 2004-2007 / Forester XT 2004-2008

The COBB Post MAF Hose Stealth Black is designed to replace the restrictive and aging factory hose between the mass airflow sensor and turbo inlet, providing a smoother airflow path for tuned and stock Subaru turbo engines. By improving flow consistency and maintaining shape under boost, it helps support more predictable throttle response and reliable performance in both daily driving and spirited use.

KEY FEATURES

• Smoother internal airflow path compared to the factory corrugated hose
• Reinforced construction helps prevent collapse under elevated boost pressure
• Direct-fit design integrates with OEM airbox and turbo inlet components
• Stealth black finish maintains a clean, factory-like engine bay appearance
• Engineered to complement COBB tuning and other bolt-on upgrades

TECHNICAL SPECIFICATIONS

• Multi-ply silicone construction for enhanced heat and pressure resistance
• Precision-molded bends maintain proper MAF housing alignment
• Oil and fuel vapor–resistant materials for long-term durability
• Designed to retain accurate MAF readings for stable tuning behavior
• Compatible with factory clamps and associated intake hardware

VEHICLE FITMENT

• Subaru WRX 2002-2007
• Subaru STI 2004-2007
• Subaru Forester XT 2004-2008

COBB delivers proven, data-driven performance solutions engineered to optimize your Subaru with unmatched precision and reliability.