Product highlights for the ROUSH 2021-2023 F-150 Cat-Back Exhaust Kit (Active-Ready): Fits the 21-23 Ford F-150 with 5.0L V8 Engine and 141” – 163” Wheelbase Can be upgraded with Part #: 422265 for loud and quiet modes Increased airflow and less back pressure to help achieve your F-150’s full potential in horsepower and torque Adds a race-inspired ROUSH exhaust tone Dual tips are made from 304 stainless steel, feature the ROUSH logo, and exit out of the side of the vehicle Made from high-grade 304 stainless steel Mandrel-bent tubing to ensure consistent flow, high performance, and long-lasting durability Installation is simple, utilizing factory hanger locations with no vehicle modifications required Includes all necessary hardware Upgrade your factory exhaust system with the ROUSH F-150 Active Ready Cat-back Exhaust System. All of our exhaust components are made from durable corrosion-resistant T-304 stainless steel and include high-flow mandrel bends for maximum flow. This exhaust system utilizes a high-flow performance muffler to give your F-150 a race-inspired exhaust tone. If you would like to have full control of your ROUSH Performance F-150 Exhaust System, you can upgrade the kit to a full Active Exhaust System by adding, ROUSH Performance Active Exhaust Upgrade Kit – Part #: 422265.