5.9 Cummins Performance Upgrades
You can make the Dodge Ram 5.9L Cummins more efficient by controlling your speed, using EGR valves, an after-cat system to replace the muffler for a straight pipe.
You can make the Dodge Ram 5.9L Cummins more efficient by controlling your speed, using EGR valves, an after-cat system to replace the muffler for a straight pipe.