JBA Performance Headers & Exhaust Replacing the factory log-style exhaust manifolds with a pair of ... we strapped down the '06 Dodge Ram 1500 5.7L Hemi onto the dynamic test system (DTS) dyno ...

Dodge first stuffed a Cummins medium-duty ... Hardware changes include a spur-gear front geartrain for reduced NVH, a new exhaust manifold (with two-stage gasketing), a larger compressor within ...