by David P. on Nov 20, 2006 Vehicle: 2003 Maserati Coupe GT 2dr Coupe (4.2L 8cyl 6M)
We installed a Tubi exhaust at the dealer before taking delivery. It made a Gransport before the Gransport concept was invented. The car went from 390 hp to 420 hp and it is music to the ears. This is a wonderful car to own and drive.
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