❗Not compatible with stock 2001-2004 California style turbos❗

Click to read: The 101 on Compound Turbo Systems: Our FAQs Answered

The Pusher Max Compound Turbo System was created and rigorously tested with the goal of delivering the best value kit on the market, capable of withstanding a wide range of environments—from daily-driven trucks with stock power to high-performance drag and off-road race trucks exceeding 1000HP.

Compatible with 2001–2004 Duramax LB7 trucks, the system supports most Borg Warner S400 frame chargers as well as Garrett chargers, offering versatility and reliability in demanding environments.

• CNC machined and laser cut flanges for flawless mounting to your Duramax engine
• Fully TIG welded with precise settings to produce beautiful welds and optimal penetration without impacting air flow.
• The overall design and location of all components allows easy access and installation
• Base kit includes 3" Pusher Max HD Charge Tube that properly supports the factory y-bridge at over 70 PSI of boost
• Can be optioned with Pusher SuperMax Y-Bridge
• 3.5" intermediate charge pipe and Garrett turbo inlet
• O-ring seal at Garrett turbo inlet flange
• 5" Cold Air Intake with massive inverted cone Pusher 50 CAL Air Filter and prefilter included Click here to learn how to care for the washable 50 CAL air filter.
• The Intermediate Exhaust Pipe (IEP) is coated standard with 2000F capable Cerakote.
• The 4" downpipe, equipped with our custom-engineered billet flange, is routed to avoid any modifications to the existing "low pressure" A/C lines. It is precisely shaped to ensure a smooth transition and perfect alignment with the S400 turbine inlet.
• 6061 TIG welded aluminum coolant overflow tank included
• All fittings and oil/water lines are premium-grade components sourced from trusted, well-known manufacturers.
• Heavy duty 5-ply silicone couplers and full stainless t-bolt clamps at every boosted connection
• Extreme duty turbo mount
• S400 charger is placed in the optimal location for minimal impact to passenger side plastic inner fender and for optimal routing of every component in the system
• Included is every nut, bolt, hose, clamp, wire loom and even a CCV reroute for a beautiful install
• Various powder coat colors available  

Read Diesel Army's analysis of Pusher's LBZ Compound System here.