Sports cars are, in their purest form, exercises in minimalism, abiding by the well-worn maxim, “less is more.” The 2016 Porsche Boxster Spyder embraces an extreme approach to this philosophy by omitting air conditioning and audio systems from its standard equipment list to save weight—yielding, in return, greater speed. Additional mass is trimmed through further equipment removal, including the jettisoning of the Boxster’s hydraulic top mechanism (saving 24 pounds) and numerous incremental deletions, such as …