The 2001 Roush Stage 3 Mustang represents a turning point in American performance tuning. This wasn't a factory car. Roush Performance, the legendary tuning house, took Ford's third-generation Mustang and transformed it into a genuine track weapon.
The Stage 3 package pushed the 4.6-liter V8 to 385 horsepower and 385 pound-feet of torque. Stock 2001 Mustangs made 265 horses. That 120-horsepower jump came from a Roush supercharger, upgraded fuel system, and tuned engine management. The engine breathed through a distinctive Roush intake manifold and exhaust.
Visually, the Stage 3 turned heads. Aggressive body panels marked the exterior, including a front fascia with functional cooling ducts, side skirts, and a rear wing. The suspension dropped the car closer to the pavement with coilovers and stiffer springs. Roush fitted 18-inch wheels wrapped in performance rubber.
Inside, you found leather seats trimmed with Roush badges, suede steering wheel, and custom gauge clusters. These weren't just cosmetics. Roush engineered every modification for function. The exhaust note changed from stock Mustang rumble to something angrier, more urgent.
The 2001 model year mattered in Mustang history. The new-generation SN-95 platform had matured by 2001, and Roush had perfected its tuning formula. This was the sweet spot before the 2003 redesign brought modern architecture and even more power.
For buyers wanting more than Ford's base offering, Roush Stage 3 represented genuine performance escalation. It wasn't affordable. Pricing started around 50,000