DPS-Diesel Power Source DPS-59-24V-TTS475-62 S475 Twin Turbo Kit (62mm Turbo with S475 Turbo) Direct bolt-on application, no cutting or fabrication needed. High Flow 3-PieceExhaust Manifold included in kit. Comes with a 4 Exhaust Downpipe S475 Borg Warner (S400 with 75mm compressor wheel) as large turbocharger. Adjustable boost pressure.