2008-2014 Subaru STI Performance Top-Mount Intercooler, Part 2: Prototype Introduction and Evaluation
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The wait is over! Time to reveal the full details of our prototype top-mount intercooler (TMIC). This unit is unpainted, and one of the more obvious features is its massive size! First, a few overview images of this cooler.
As you can see we designed two fully casted end tanks for this cooler. Both the BPV flange and Y-pipe flanges are CNC-machined. The thickness and construction of our casting will provide the durability needed to run much higher pressures than your STI will ever see. Each tank is then TIG-welded to our core. As with other projects, we are using a bar-and-plate core for improved heat transfer and resistance to heat soak. Let's take a closer look at the core itself.
For both the internal and external fins we are using an offset style. This means our heat-transfer contact points are significantly increased, which will result in a higher rate of transfer. We crammed a ton of fins into this core; our testing will show if this has any negative impact on flow and pressure.
In recent projects, we have been trying to find creative yet subtle ways to put our branding onto our products. We understand that some customers might not be interested in promoting the brand of the products they use. For this particular cooler, we used two simple M logos cast into the tanks. Our team really digs it!
After confirming fitment of this prototype, we also had a few units powder-coated for testing and video purposes.
Next we would be comparing the size and features of our prototype to the stock intercooler. Check back in a few days for updates!