New Flowmaster FlowFX active mufflers for 2009-2020 (classic body) Dodge Ram 1500 trucks are two exhaust personalities in one package. The first adds a nice performance tone while the second uses a wirelessly activated exhaust valve to deliver that deep, uncorked, rumble at the push of a button. These stainless-steel, mandrel-bent systems are easy to install and connect to the factory tailpipes! Learn more: https://www.holley.com/products/exhaust/exhaust_systems/flowmaster/flowfx/dual_mode_muffl