This axle - back exhaust system is perfect for Ford Bronco owners who love off - road adventures. Whether you're climbing steep hills or descending rough slopes, it provides a deep, powerful sound and extra clearance. The system is made of 3 IN mandrel - bent 409 stainless steel tubing and has a high - flow 304 stainless steel muffler. It's designed to fit 2021 - 2024 Ford Broncos of various sub - models, and is easy to install without any cutting or modifications.