Zac Quinn 
Modifying an S550 Ford Mustang isn’t a far-fetched thing to do by any means; we would like to think most people don’t simply buy a muscle car to drive it to the mall for some shopping. No matter the case, if you want to modify your 2021 Mustang and improve the performance substantially, Roush Performance is an excellent way to go, if not the best way to go. With 2021 Roush Mustang Stage 3 package offering 775 horsepower, you won’t be disappointed. Adding to the power, 2021 Roush Stage 3 has also passed the rigorous emissions compliance testing to be certified emission compliant in all 50 states. Which isn’t something most performance companies can say.
Certification Process
For any manufacturer to sell their vehicles in every state, they must pass the certification process, which starts with obtaining a certificate of conformity from the Environmental Protection Agency. After, they must get an Executive Order from the California Air Resources Board, which allows the manufacturer to sell their vehicles in all 50 states.
The certificate is a legal requirement for the sale of any new car with emission-related modifications. Installing modification or selling modified vehicles without the proper certifications could cause Roush to pay up to $45,268 per vehicle. Compliant vehicles like the 2021 Roush Stage 3 Mustang will have an underhood vehicle emissions control information label (VECI) from the certified manufacturer along with an updated fuel economy.
Roush Stage 3 Warranty
“It’s not as simple as adding a supercharger and getting an emissions test. We have to change so many of the mechanical and related components that Roush Performance becomes the manufacturer in the eyes of the law. We’re proud to be able to offer a fully compliant, 775 horsepower muscle car that you can pick up off a dealer lot, with a warranty,” stated Director of Product Strategy, Roush Performance, Kevin McLoughlin.
Customers that want a heavily modified Mustang can look into getting a 2021 Roush Stage 3 and have peace of mind that they’re driving an emission-compliant vehicle with a three-year 36,000-mile body warranty and a five-year, 60,000-mile powertrain warranty.
