You are watching the Mustang Challenge. The one-make series is home of the Mustang Dark Horse R, the latest turnkey racecar from Ford Performance that begins a potential ladder of opportunity up to Mustang GT4 and on to the ultimate expression of the Mustang racing line up, the Mustang GT3. SUBSCRIBE: ford.to/SubscribeFordPerformance #imsa #sportscars #weathertech #carculture #motorsport #racing #mustang #fordperformance #fordmustang FOLLOW IMSA: International Motor Sports Association YouTube: @imsaofficial Facebook: @IMSA Instagram: @imsa_racing TikTok: @imsa_racing X/Twitter: @IMSA Download the Official IMSA App for real-time results, timing & scoring.