Flying Kestrel’s Turbo Audi Inline-Five Makes 991 hp on the Dyno 1935 Riley Kestrel with an Audi turbo inline-five " data-image-caption="" data-medium-file="https://i0.wp.com/engineswapdepot.com/wp-content/uploads/2024/06/1935-Riley-Kestrel-with-an-Audi-turbo-inli...