Derringer Tuner (Gen2) with iDash 1.8 DataMonster 2017-19 Chevy/GMC 2500/3500 6.6L L5P Forced Induction~Turbochargers We've also removed the muffler

We've also removed the muffler that's integrated into the stock pipe to further improve flow and add some induction noise to your Cummins

This item in not legal in NY for use on vehicles with CA emissions

1982 GMC K3500 Sierra Grande

The XDP Performance Valve Springs and Retainer Kit XD389 features a conical design that offers improved valve control over a basic straight spring

4 Powerstroke Cold-Side Intercooler Pipe & Boot Kit MMICP-F2D-08CBK

Derringer Tuner (Gen2) with iDash 1.8 DataMonster 2017-19 Chevy/GMC 2500/3500 6.6L L5P Forced Induction~Turbochargers We've also removed the mufflerDerringer 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. Results in torque and power gains across the full operating rpm range, starting right off idle and marching to the