Upgrading the exhaust system is one of the most effective ways to improve power on a 2019 5.3 Silverado. A cat-back exhaust system replaces the restrictive factory exhaust system with a larger diameter pipe and a less restrictive muffler. This allows the engine to breathe more easily and produce more power. A cold air intake is another popular modification that can improve power on a 2019 5.3 Silverado. A cold air intake replaces the factory air intake with a larger, less restrictive intake that allows more cold air to reach the engine. This results in a denser air/fuel mixture, which produces more power.
The 5.3L V8 engine in the 2019 Silverado is a powerful engine, but it can be even more powerful with a few modifications. By upgrading the exhaust system and the cold air intake, you can improve airflow and increase power. These modifications are relatively easy to install and can be done by most do-it-yourselfers.