For those wanting to run garrett turbochargers with external wastegates to achieve 1000+ horsepower on the Porsche 997 turbo, we now sell our hard parts kit that allows you to bolt on to your car. This is the hard parts only, so there is no tuning, no fuel parts, no turbos, no wastegates. The headers and dump tubes were designed to work with tial 44mm wastegates and garrett GT3076rs turbos. Other turbos may be used but please consult with us first.