MBRP 4" Aluminized Steel Exhaust Stack T-Pipe Bed Kit - Universal II-DCP3DKIT This four gauge mount by

This four gauge mount by Auto Meter mounts directly above the rear view mirror adjacent to the headliner

With bi-directional controls

based upon parameters from the ECM

For those uncertain

Sure that costs more

MBRP 4" Aluminized Steel Exhaust Stack T-Pipe Bed Kit - Universal II-DCP3DKIT This four gauge mount byIf you are looking for that profound Big Rig look and sound that stacks produce, MBRP has exactly what you are looking for. This specific kit is their universal T Pipe kit and is designed to allow you to hook up to your existing under bed exhaust and finish it off with a pair of 4" inlet exhaust stacks of your choice.