PPE Diesel 119001230 Engine Coolant Return Pipe 2006-10 LBZ/LMM 304SS Polished 2006-2007 Chevy/GMC Duramax 6.6 LBZ effectively extending the life of

effectively extending the life of both your Bosch Injection System and Bosch Diesel Injectors

From tying down tarps to holding up an item on a roof rack

Stinger's upgrades reshape the fuel curve to match the improved airflow

restriction-free

Can Create Up To 35PSI Of Back Pressure

PPE Diesel 119001230 Engine Coolant Return Pipe 2006-10 LBZ/LMM 304SS Polished 2006-2007 Chevy/GMC Duramax 6.6 LBZ effectively extending the life ofSpecifically designed for use in conjunction with the factory thermostat housing. 304 stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone to rusting and eventually leaking. Allows for installation of factory turbo coolant return thermostat. Also great for marine applications.