Derringer Tuner Year_2002_Make_GMC_Model_Sierra 3500_Engine_6.6L Diesel Far less backpressure than stock

Far less backpressure than stock

Outflows stock and competitors up to 35 percent

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

Enclosed housing keeps out hot

Stinger boosts performance

Derringer Tuner Year_2002_Make_GMC_Model_Sierra 3500_Engine_6.6L Diesel Far less backpressure than stockDerringer 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.