If you thought it would be impossible for Maserati to become any more Italian, think again.

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The storied marque has expanded its partnership with Ermenegildo Zegna, which will bring the legendary Italian men's fashion house's trademark understated sophistication to the interiors of the 2016 Quattroporte and Ghibli sedans. While Zegna previously worked with Maserati on a limited-edition Quattroporte—only 100 were made—buyers who desire its touch will face no similar constraints this time around.

Befitting a label for which the price of a made-to-measure suit can easily exceed the price of a reliable used car, the cabin materials will be appropriately upscale.

Seats will be swathed in leather sourced from Italian furniture maker Poltrona Frau, and door panels will be finished with the world's highest-graded silk available. All the interiors will be two-tone in concept, and feature leather in a choice of black, natural or red as well as Anthracite silk—think silver—and contrasting gray stitching.

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Once a rare site on U.S. roads, Maserati sold a record 36,500 cars last year, including nearly 15k domestically.

And while this new partnership probably won't cause a massive influx of visitors to showrooms, the sure-to-be costly options should fortify the bottom line of a brand that Fiat Chrysler Automobiles' [NYSE:FCAU] CEO Sergio Marchionne wants to eventually see hit 50k units per year.

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