Flowmaster FlowFX Dual Mode Muffler W/ Active Valve For 19-21 Ram 1500 5.7L Hemi 2015-2016-6-7l-powerstroke the sky's the limit for

the sky's the limit for performance expandability

Extensive 3D scanning was used during the development of this Truck exhaust system to create a direct-fit design

Extends service life and requires fewer cleanings

Universal fit for most ATV and SXS models

Flowmaster FlowFX Dual Mode Muffler W/ Active Valve For 19-21 Ram 1500 5.7L Hemi 2015-2016-6-7l-powerstroke the sky's the limit forIntroducing the new FlowFX Active dual mode muffler featuring our new W. A. V. E. Technology (Wireless Active Valve Exhaust) for all 2019* 2021 RAM 1500 (*new body) trucks with the 5. 7L Hemi engine. This direct fit replacement muffler has split personalities with a nice performance tone over the stock exhaust system, thanks to the FlowFX performance muffler but also features a high quality wireless controlled actuator valve on the Power Chamber