1973 Mustang Mach 1

All engines and power decreased again as more stringent emission controls.
New federal guidelines resulted in binding that could crash guards withstand 5 mph, which would help all puffy style.

The top engine choice was a weak 351 V8 produced just 156bhp and performance-oriented Ford Mustang was gone when the redesigned Mustang II will weaken in 1974, not the right to begin performance.