Subaru STI TMIC Splitter - GrimmSpeed - 08–14. A purpose-built duct that pairs with the GrimmSpeed top-mount intercooler to channel air from the hood scoop exactly where it’s needed.

Designed for the 2008–2014 STI, this splitter focuses incoming airflow across the full intercooler face for predictable temperatures and consistent performance during spirited driving or track days. Tailored for the GrimmSpeed TMIC and factory hood scoop geometry, it helps the intercooler work efficiently without interfering with surrounding components. The result is dependable cooling behavior and a clean, OEM-like fit that enthusiasts appreciate.

Features

• Model-specific fitment: 2008–2014 Subaru STI with GrimmSpeed TMIC
• Optimizes hood-scoop airflow across the intercooler core
• Works with factory scoop and underhood layout
• Straightforward installation using stock-style mounting points
• Robust construction for long-term reliability

Questions or need guidance on your build? Call our Austin shop at 512-982-9393 or our Los Angeles area shop at 562-981-6800. We have two locations—in Austin, Texas and the Los Angeles, California area—offering professional installation and customization services.

If you’re considering multiple items, contact us for shipping discounts. We install on premises at both locations.

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