The volute/exhaust energy goes as “big-small-big”, and comparing to “biger-big-small”, which one do you think is better for the performace of a turbo?
When a customer offers us a OE turbine housing to make a performace version, we donot just follow the dimensions strictly, but provide with our recommendation based on our understandings. Performace turbo products should be better suited to its application.

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Crack or shake out ceramic shell of stainless steel investment casting of turbine housing
Bigger AR stainless steel turbine housing IS38
