Subaru STI TMIC Splitter - GrimmSpeed - 06-07 is a purpose-built duct that directs scoop air straight into your top-mount intercooler. Designed for the 2006–2007 Subaru WRX and STI, it improves airflow management for consistent performance.

Engineered by GrimmSpeed for precise fitment, this splitter helps seal the path between the hood scoop and TMIC, reducing air loss and making better use of incoming airflow. Rugged construction stands up to heat and vibration, while thoughtful geometry supports cooler charge temps during spirited driving. Straightforward installation with common tools makes it a smart, functional upgrade for enthusiasts who want dependable results.

Features

• Fits 2006–2007 Subaru WRX/STI
• Directs hood-scoop air to the TMIC
• Focus on durable, reliable construction
• Designed by GrimmSpeed for precise fitment

Have questions or need guidance? Call our team—we’re happy to help. We also offer installation and customization services at our Austin, Texas and Los Angeles, California area locations. Texas: 512-982-9393 (TX) | California: 562-981-6800 (CA)

Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov