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Best Choice COBB Subaru MAF Extension Harness 2015-2021 WRX

Original price was: $58.50.Current price is: $29.25.

SKU: SK0036683-US20260202-084322 Category: Tag:

Description

COBB Subaru MAF Extension Harness 2015-2021 WRX | Seamless Intake Upgrade | OEM-Quality Wiring Extension

Overview

The COBB Subaru MAF Extension Harness is a precision-engineered wiring solution designed specifically for 2015-2021 Subaru WRX models. This extension harness allows enthusiasts to upgrade their intake systems with aftermarket options such as Redline and BIG SF Intake Systems without compromising sensor accuracy or factory reliability. By extending the MAF sensor wiring by 16 inches, it provides the flexibility needed for a clean, professional installation—eliminating the need for cutting or splicing factory wiring. This ensures your vehicle maintains optimal airflow measurement, which is critical for consistent performance and tuning potential.

Built with Subaru-specific engineering standards, COBB’s harness features OEM-grade connectors and an anti-chafing sleeve to protect wiring integrity over time. The SAE J1128 compliant wiring guarantees high-quality, reliable operation, making it a trusted upgrade for Subaru owners who demand durability and precision. Whether you’re enhancing your intake setup for increased airflow or tuning for more power, this harness simplifies the process while preserving the factory sensor’s performance. It’s an essential component for Subaru enthusiasts committed to maintaining OEM-like quality with aftermarket upgrades.

Designed with the community in mind, COBB’s MAF Extension Harness offers a straightforward, plug-and-play installation that minimizes downtime and frustration. It’s the perfect solution for those looking to maximize their WRX’s intake performance without sacrificing sensor accuracy or risking wiring damage. When paired with other COBB tuning components, this harness helps unlock your vehicle’s full potential while ensuring long-term reliability and factory-level sensor operation.

Features & Specifications

This COBB MAF Extension Harness is engineered for Subaru WRX models from 2015 to 2021 and features OEM-grade connectors for a seamless fit. Constructed from high-quality SAE J1128 compliant wiring, it ensures dependable electrical performance and durability. Designed to extend your factory MAF sensor wiring by 16 inches, it provides the flexibility needed for aftermarket intake installations without the need for cutting or splicing.

  • Brand: COBB Tuning
  • Product: MAF Extension Harness
  • Part Number: Not specified
  • Fitment: Subaru WRX (2015-2021)
  • Material: SAE J1128 compliant wiring
  • Finish: OEM-grade connectors with anti-chafing sleeve
  • Construction: Plug-and-play, OEM-style connectors
  • Origin: Designed in the USA
  • Compatibility: Compatible with Redline and BIG SF Intake Systems
  • Wiring Length: 16 inches extension
  • Installation Type: Plug-and-play, no cutting or splicing required

Key Benefits

  • Reliable Performance: Maintains factory sensor accuracy during intake upgrades, ensuring consistent airflow measurement for optimal tuning.
  • Easy Installation: Plug-and-play design with OEM connectors simplifies the upgrade process, saving time and reducing errors.
  • Durable Construction: SAE J1128 compliant wiring and anti-chafing sleeve protect against wear and environmental damage for long-lasting reliability.
  • Compatibility: Seamlessly integrates with popular aftermarket intakes like Redline and BIG SF, preserving sensor function and calibration.
  • OEM-Quality Fitment: Designed specifically for Subaru WRX from 2015-2021, ensuring a perfect fit and professional appearance.

What’s Included

  • 1× COBB MAF Extension Harness
  • Installation instructions

Installation & Compatibility

This COBB MAF Extension Harness is designed for straightforward installation, making it suitable for DIY enthusiasts with basic automotive wiring knowledge. The plug-and-play OEM connectors eliminate the need for cutting or splicing, but some familiarity with intake system upgrades is recommended. The harness is compatible with 2015-2021 Subaru WRX models and works seamlessly with aftermarket intake systems like Redline and BIG SF. For optimal performance, ensure your vehicle is properly tuned after installation, especially if combined with other modifications. Professional installation is recommended if you are unsure about wiring or integration procedures.

  • Professional Installation: Recommended for best results
  • Modifications Required: None beyond intake system upgrade
  • Verify Compatibility: Confirm fitment for your specific model year and intake setup