This is the Magnaflow 15204 MF Series Stainless Cat-Back System.
The Magnaflow 15204 fits the following applications:
- 2012 GMC Sierra 1500 Denali 6.2L
- 2013 GMC Sierra 1500 Denali 6.2L
- 2011 GMC Sierra 1500 Denali 6.2L
This system is dyno tested and proven to make power with performance gains in both Horsepower And Torque. They are tuned to give a great sound. The Magnaflow 15204 MF Series Stainless Cat-Back System is easy to install requiring few if any modifications and is designed to bolt directly on. The system will contain all parts needed for a factory-type install.