Complex sentence: The 3.6 liter twin turbo M64/60 engine uses two KKK K16 turbos and produces, although more powerful versions (430 and 450 hp (DIN)) were available as build-to-order options, in the Turbo S, and in the GT2.
Split into simpler sentences: The 3.6 liter twin turbo M64/60 engine uses two KKK K16 turbos and produces. More powerful versions (430 and 450 hp (DIN)) were available as build-to-order options, in the Turbo S, and in the GT2.