BIG MAF Intake

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

Quick Specs:

• Brand: IAG Performance

• Part Number: IAG-AFD-1100

• Application:

  • 2002–2007 Subaru WRX

  • 2002–2007 Subaru WRX STI

• Type: Short Ram Intake (Big MAF)

• Intake Tube Material: Polished Aluminum

• Intake Diameter: 3 inches

• Filter Type: K&N High-Flow Air Filter (Washable and Reusable)

• Hose Material: High-Grade Silicone

• Color: Chrome Pipe, Red Filter, Black Hose

• Tuning Required: Yes (due to increased airflow)

Product Description:
The IAG Performance Big MAF Intake is designed to significantly improve airflow to your engine, enhancing both horsepower and torque. Engineered specifically for the 2002-2007 Subaru WRX / STI, this short ram intake system features a 3-inch diameter polished aluminum pipe, allowing for maximum airflow while utilizing the OEM Subaru mass air-flow sensor.

To further increase performance, the kit includes a K&N High-Flow Air Filter, which captures dirt while maintaining excellent airflow. This cone-style filter is washable, reusable, and designed to last up to 100,000 miles under normal highway driving conditions.

The high-grade silicone transition hose connects seamlessly to the intake manifold, offering superior durability compared to traditional rubber hoses. Unlike rubber, silicone hoses are resistant to temperature fluctuations and maintain their flexibility and shape for years.

Key Features:

• Direct fit for OEM Subaru mass air-flow sensor

• High-flow 3" diameter polished aluminum pipe

• Short ram design for direct and efficient airflow

• K&N High-Flow Cone Air Filter (washable and reusable)

• High-grade silicone transition hose for enhanced durability

• Easy installation with included hose clamps

• Requires tuning to optimize performance

What's in the Box:

• (1) 3” Polished Aluminum Pipe with MAF Sensor Port

• (1) High-Grade Silicone Transition Hose

• (3) Stainless Steel Hose Clamps

• (1) K&N High-Flow Cone Air Filter

• Installation Instructions

Fitment:

• 2002–2007 Subaru WRX

• 2004–2007 Subaru WRX STI

Warranty:
Manufacturer warranty applies. Please check the product manual or contact customer support for more details.

Note:
To optimize performance and accommodate the increased airflow from the larger MAF diameter, tuning is required after installation.

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