18. Chevrolet Camaro IROC-Z’s Tuned Exhaust Note
A supplier error in the exhaust system tuning gave the Chevrolet Camaro IROC-Z a deeper, more aggressive exhaust note than intended. The unplanned sound became an instant hit with drivers, capturing the essence of muscle car attitude. Chevrolet quickly embraced the happy accident, making the distinctive exhaust tone standard on future IROC-Z models. Read the story at Hot Rod Magazine.