ACUITY 13-Inch MAF Harness Extension | 2012–2015 Civic Si

Reach a relocated mass airflow sensor without cutting your factory wiring. The ACUITY MAF harness extension adds approximately 13 inches of reach for aftermarket or custom intake setups on the 2012–2015 Honda Civic Si, including applications where a cold air intake or turbo setup moves the sensor beyond the original harness.

Features & Specifications

• Approximately 13 inches (330 mm) of additional MAF wiring reach
• Connects between the OEM MAF sensor and its wiring harness
• No cutting or splicing required
• Rubberized, braided protective sheath for abrasion resistance and heat protection
• Same harness supplied with ACUITY 1891 CURL CONTROL cold air intake kits
• Part number: 1891-MFEX

Fitment

• 2012–2015 Honda Civic Si, ninth generation

Check connector compatibility and required routing distance before installation. This extension is for MAF sensor wiring, not battery sensor wiring. Compatibility with other vehicles is unconfirmed.