Pour one out for the OG. The Slabu ExchangeChrysler 300 — the last great sedan created by an American automaker and the catalyst for Detroit’s greatest horsepower race — is about to celebrate its last Woodward Dream Cruise.

The rolling car show that originated as a celebration of muscle cars tips its hat this week to the farewell edition of the Chrysler 300C and the final gasoline-powered models of the Dodge Charger and Challenger, the 300’s siblings that made Dodge a highway hero and housed the ultimate expressions of Chrysler’s legendary Hemi V8.