For the high performing tow and track package, the R700 Tow & Track Turbo Kits features extended tip compressor wheel technology, high efficiency compressor housing, dual volute waste gates for great bottom end response and top end control, plus, a superior drive pressure turbine housing that delivers enough flow to support over 700hp! The R700 kits can be purchased as a complete twin turbo kit or as an upgrade from a BD Super B Single or BD Super B Twin kit.