PPE Raw 304 Stainless Engine Coolant Return Pipe 01-04 Chevy/GMC 6.6L Duramax shackles or you could plug-n-play with

or you could plug-n-play with the all new XBT Bluetooth Controller from Morimoto and control it with their proprietary app that puts the power of control in the palm of your hand

Due to a variation in the factory strut mount in earlier models

Ported exhaust outlet

and wont come undone

PPE Raw 304 Stainless Engine Coolant Return Pipe 01-04 Chevy/GMC 6.6L Duramax shackles or you could plug-n-play withSpecifically 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. Features: 304 Stainless Steel Long Lasting Heavy Duty Raw Finsih 1 Year Limited Warranty Fitment: 2001 2004 GMC Sierra 2500HD 3500HD