Upgrade Your Exhaust System With Flowmaster FlowFX Cat-back System
February 2, 2023The new Flowmaster ® FlowFX ® cat-back exhaust system for the 2011 to 2019 GM Silverado/Sierra 2500/3500 HD trucks with the 6.0-liter engine is manufactured using durable 409 stainless steel throughout and features 3-1/2 Inch mandrel bent pipes for better exhaust gas flow, and a FlowFX “straight-through” muffler is used for a moderate sound level […]
