"The extra power is produced by fitting an Hamann high-performance sports header, including racing catalytic converters, to generate an extra 39kW/53hp. This takes the peak power output of this 6.0L V12 engine, already familiar to us from the Ferrari Enzo, up to a massive 673hp. A new sports rear muffler with 90 mm tailpipes both right and left has also been added to improve the growl."
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