California-based restomod specialist Gunther Werks has unveiled the GXR-Evo, its lightest and fastest naturally aspirated build yet. Based on the air-cooled 993-generation Porsche 911, the extreme restomod weighs just 2,386 lb / 1,082 kg—210 lb / 95 kg less than the company’s standard coupe.

At its heart is a Rothsport Racing-developed 4.0-liter naturally aspirated air-cooled flat-six that revs to nearly 9,000 rpm and produces 455 hp / 461 PS. Power reaches the rear wheels through a classic Getrag G50 six-speed manual transmission.

The approximately 167.7-inch / 4.26-meter-long machine wears bespoke carbon-fiber bodywork designed for serious track performance. Dive planes, front-fender vents, a large rear wing, roof-mounted shark fin and rear diffuser all contribute to increased downforce.

The chassis is equally serious, featuring unequal-length front control arms, three-way adjustable remote-reservoir dampers, Brembo Pista race brakes and magnesium center-lock wheels. Inside, the stripped-back cabin gets Racetech carbon-Kevlar seats with six-point harnesses, a Motec digital dashboard and a helmet cooling system.

Production will be limited to just 15 examples, with each car accompanied by a matching custom simulator. Is the GXR-Evo more desirable than a modern factory GT3 RS? Can an air-cooled Porsche still make sense as a dedicated track weapon? And does a naturally aspirated flat-six paired with a manual gearbox remain the ultimate sports-car formula?

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