6.4L Description
WARNING: This page is about a different car, the 2015 RAM 3500 HD and 2015 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
The exhaust system on the 6.4L models consists of a Y-pipe (1) with integrated catalytic converters (2), exhaust extension pipe (3), muffler (4), support isolators (4), and a tailpipe/resonator assembly (6). The upstream and downstream oxygen sensors are located in the Y-pipe.