120mm Housing with 5″ Air Filter – Fits Hitachi-Style MAF Sensors (MAF Not Included)

The 120mm Housing and 5″ Filter Kit is built for high-performance intake systems that require large airflow capacity and sensor precision. Designed to accommodate Hitachi-style slot MAF sensors, this setup is ideal for custom builds, high-boost engines, and aftermarket ECU tuning environments.

This combo includes a massive 120mm inner diameter MAF housing and a compact, high-flow 5″ conical air filter—perfect for tight engine bays without sacrificing airflow. The housing features a precision-machined slot to ensure proper sensor placement and signal accuracy.

Product Highlights:

Housing Diameter: 120mm ID for maximum airflow support
Filter Size: 5″ long conical air filter with high-flow pleated media
Sensor Compatibility: Fits Hitachi-style slot MAF sensors
Construction: Durable and lightweight for high-performance use
Finish: Clean, corrosion-resistant surface for professional installs

What's Included:

One (1) 120mm MAF housing (Hitachi slot-style compatible)
One (1) 5″ high-flow air filter

Not Included:

MAF sensor
Sensor wiring or tuning equipment

Applications:

Custom turbo or supercharged setups
Standalone ECU or slot MAF conversions
High-horsepower builds requiring precision airflow metering

Installation Notes:

Ensure correct orientation and depth of the Hitachi-style MAF sensor in the slot for accurate airflow readings. Requires tuning to match sensor scaling.