What Is The Stock Exhaust Size On A Silverado?

The Chevrolet Silverado is among the market’s most popular pickup trucks. It is renowned for its resilience and strength. But what about the Silverado’s factory exhaust size?

The diameter of the factory exhaust pipe on a 2009 Chevrolet Silverado should be 2.5 inches. That is the same size as the Chevrolet Silverado 1999. Cat-Back is the kind of exhaust system found on the 1999 Silverado. This exhaust system features a primary tube diameter of 2.5 inches and an aggressive sound.

GibsonĀ® offers a Dual SportTM Cat-Back Exhaust System with Dual Side Exit for 4.3L, 4.8L, and 5.3L Silverado models equipped with a single-inlet factory muffler. This exhaust system is equipped with a 2.5-inch exhaust pipe and a muffler that emits a low and forceful sound.

It is crucial to remember that the Silverado’s factory exhaust size might vary depending on the model and year of the vehicle. However, the Silverado’s standard wheel diameter is 2.5 inches.

Consequently, whether you have a 1999 Silverado or a subsequent model, the factory exhaust diameter is likely 2.5 inches. You may experience a deep and powerful sound by upgrading to a Dual SportTM Exhaust System with Dual Side Exits.


Cars were and will be my first love and favorite hobby; I decided to start writing about my discoveries and techniques to improve my cars or repair them.