Manthey-Racing upgrade for Porsche 911 GT3 launches in US

2023 Porsche 911 GT3 with Manthey Performance KitSerious track enthusiasts in possession of the current Porsche 911 GT3 can improve their lap times with a performance kit developed by a German racing team that has served as Porsche's factory team in the World Endurance Championship. The racing team is Manthey-Racing, whose Manthey Performance Kit for the 992-generation 911 GT3 is now available...

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