4" Exhaust System | Ram 5.9L Cummins | 2004.5-2007 Muffler Option:Add Muffler call (888) 830-2588 before ordering

call (888) 830-2588 before ordering

then burns it off in regen cycles that waste fuel and heat your engine

The green colorway hits different — it's the version you grab when you want to be seen

so the EGR system must be removed on LB7 and LLY through LML engines

so it bolts to factory locations across all cab and box lengths — no cutting

4" Exhaust System | Ram 5.9L Cummins | 2004.5-2007 Muffler Option:Add Muffler call (888) 830-2588 before orderingThe 4" Full Exhaust Delete for 2004. 52007 Ram 5. 9L Cummins removes the emissions components from your exhaust system and lets your Ram 2500 or 3500 breathe freely. Race Pipes from thick aluminized steel, this full length exhaust is designed for perfect fitment on all trims of the 5. 9L Ram Cummins, with no welding or fabrication required. The 5. 9L Cummins is one of the most capable diesel engines ever put in a pickup, but the factory emissions