Zero Point Industries a leader in the Subaru arena has now taken what they have learned at building Subaru and applied it to the tC. With many new products to come from Zero Point and the ZPI Racing product line in the next few months.
This is their Stage 1 head package currently offered for the tC. The stock head was found to be very restrictive the Stage 1 head flows 38% better on our flow bench than the stock head. This is with retaining stock valves you can expect an even more significant gain as Stage 2 and 3 become available later in the spring.
click the link to read the rest of the article;
http://www.tctunerz.com/article-zone...-scion-tc.html
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