Process West Top Mount Intercooler
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When developing the Process West Top Mount Intercooler, the goal was clear — to build the best-performing aftermarket TMIC available for Subaru WRX and STI models.
We examined existing products on the market and addressed key flaws — many of them significant. The most common issue is the failure to include proper ducting or a bonnet splitter matched to the larger intercooler. Without this, a large portion of the upgraded core receives little to no airflow, severely limiting its performance.
Our solution? A precisely engineered bonnet splitter designed to match the full dimensions of the Process West intercooler. This ensures complete ambient airflow coverage across the entire core surface.
As shown in testing on a 2006 Forester XT, using the factory splitter with an upgraded intercooler results in nearly 50% of the core being blocked. With our matched splitter and core combination, you achieve full airflow efficiency and maximum cooling performance.
If you're serious about results, this is the top mount intercooler upgrade that delivers.
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