Under the Hood: DodgeSRT-4
Things start getting strange here. Tight packaging in the PT Cruiser forced some creative thinking on the turbo. The exhaust manifold and turbine housing are cast in one piece by Mitsubishi from high-nickel Ni-Resist steel. The one-piece design improves flow, reduces size, reduces thermal mass for quicker cat light-off, and makes it a pain in the ass to upgrade the turbo.
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