The BorgWarner S410SX with an 80mm compressor wheel and 1.32 A/R turbine housing is a high-performance, heavy-duty turbocharger for Caterpillar (C15, C16, 3406E). It's an excellent upgrade for replacing your factory turbo. We recommended running 475-600HP and 36-38 PSI maximum boost pressure for this turbo. If you are exceeding 600HP, step up to the 1.45 exhaust housing. Key Features: