If Porsche built a 993-era 911 GT3 RS, it would probably resemble the Gunther Werks 400R. It's a radically reworked 993 Carrera 2 with a carbon-fiber body, square stance, and 400+ hp 4.0-liter twin-spark flat six by Rothsport. The Drive’s Will Sabel Courtney found out how well they did.
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Shot and edited by Erica Lourd. Produced by Cait Knoll and Andrew Siceloff. Special thanks to Gunther Werks.