If you're talking about an RT, a cold air intake, programmer, headers, high-flow cats, and free-flowing exhaust will get you about 60-70. You can get the other 40 with a camshaft designed for vehicles with MDS. Stage 2 should be sufficient. That would get you around 430-450 at the crank.
the 2005 Dodge Cummins stock horsepower is 325
the dodge 360 1994 that i dynoed with everything stock was pushing 424.6 Hp @ 5500 RPM 230 hp was the advertised rating.
190 hp
A stock 318 is about 250 horsepower.
It punches out 210 horsepower.
215 horsepower
600 hp stock
160 Hp stock
235
Dodge Ram. (Not) 6.2L Ford Raptor, stock @ 411hp.
350 hp from the factory stock
The 5.9 Cummins was rated at 195 horsepower stock.