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Here is our 2010 Dodge Charger Police Package 5.7L before and after Stainless Works Off-Road Long Tube Headers.
We ran the car with the following mods:
DiabloSport Trinity with 93 Octane and CAI Tune
Results
Max Power: 292.51 whp
Max Torque: 332.25 ft-lb
all SAE corrected
After that we added Stainless Works off-road headers
We ran the car again and with some A/F adjustment, we’ve got:
Max Power: 311.44 whp
Max Torque: 356.92 ft-lb
Power improvement from Stainless Works off-road headers is 18.93 whp and 24.67 ft-lb
Video of the runs




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