Derringer Tuner Year_2002_Make_GMC_Model_Sierra 3500_Engine_6.6L Diesel increasing air density and efficiency

increasing air density and efficiency

This extends fluid life

Unlike stock

5" 409 stainless steel constant-diameter DPF-back exhaust system with negative-backpressure SideKick tip

Stinger boosts performance

Derringer Tuner Year_2002_Make_GMC_Model_Sierra 3500_Engine_6.6L Diesel increasing air density and efficiencyDerringer features 6 power levels adjustable on the fly. Interfaces with OBD II (On Board Diagnostics) to communicate with the vehicle's ECM. AutoRate uses vehicle data to adjust tune in real time. ActiveSafety protects engine powertrain. TransCommand protects transmission. For use with existing iDash DataMonster or iDash SuperGauge.