Porsche has unveiled a unique edition of its 911 GT3 RS, dedicated to the memory of Jo Siffert, a legendary Swiss racing driver whose expertise was pivotal in the development of the iconic Porsche 917.
By installing the four-cylinder turbocharged engine from a Subaru Impreza STI into a 997-generation GT3, a tuner by the name of DevSpeed Motorsports has introduced a novel new approach to Porsche 911 modification.