Seller notes

P/N 013-1215 Item Name MAMBA Turbine Housing fits Subaru Impreza WRX STI Spec C RHF55 (48/53/P25/Single Scroll) Product Situation Brand New Application MAMBA & IHI RHF55 RHF55 turbo or cartridge. Fits all IHI RHF55 journal bearing turbo. This turbine housing converts factory IHI twin scroll to single scroll to support higher top end if user install larger compressor wheel such as MAMBA RHF55-18G. Warning: Not for IHI RHF5HB ball bearing turbo. Single scroll turbine housing will spool 300~500 rpm...

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