Quote:
Originally Posted by cody
Cool. Why do some STI's "have to" have it ported?
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non-ported wastegates can cause the boost creep issues on free-flowing exhausts. So, two ways to fix the problem. 1) Port the wastegate. 2) Tune around the boost creep.
Simply put, porting the wastegate is the physical fix, and tuning is the software fix.