COBB 4 Bar MAP Sensor Only (A12100) | Subaru WRX 2002-2007 / STI 2008-2021 / Forester XT 2005-2008

The COBB 4 Bar MAP Sensor Only (A12100) provides a high-range manifold pressure solution for Subaru turbo models requiring accurate boost measurement beyond the limits of the factory sensor. Designed for tuned or heavily modified setups, this sensor allows your WRX, STI, or Forester XT to reliably measure elevated boost levels while maintaining OEM-grade fitment and signal precision.

KEY FEATURES

• 4 Bar pressure capability supports significantly higher boost targets than the factory MAP sensor can read
• Improves tuning accuracy for upgraded turbochargers, built engines, or high-boost calibrations
• Direct-fit design connects to factory harness and manifold location without modification
• Engineered to deliver stable, repeatable readings for consistent tuning and drivability
• Ideal for vehicles running custom tunes, flex-fuel setups, or advanced boost control strategies
• Designed as the sensor only compatible with COBB or custom calibration adjustments

TECHNICAL SPECIFICATIONS

• Pressure range: up to 4 Bar (absolute), suitable for high-boost turbo applications
• Sensor type: high-accuracy, fast-response MAP unit engineered for tuning environments
• Electrical connection: OEM-style plug for clean installation
• Calibration: requires appropriate ECU mapping to utilize expanded boost range
• Construction: sensor body engineered for durability in high-temperature, high-vibration engine bay conditions

VEHICLE FITMENT

• Subaru WRX 2002–2007
• Subaru STI 2008–2021
• Subaru Forester XT 2005–2008

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