This product is not emissions compliant. Off-road use only.

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

The Pusher High-Mount Compound Turbo System was developed and rigorously tested over two years to deliver the best value on the market. Designed to perform in a wide range of applications—from stock-powered daily drivers to high-performance drag and off-road race trucks exceeding 1,000 horsepower—this system is built to last. For reliable, usable power combined with real fuel efficiency improvements, the Pusher Compound Turbo System is the ultimate solution.

Pusher High Mount Compound Turbo System for 2013-2018 Ram 6.7L Cummins Trucks.

• Supports up to 750HP with stock Holset charger and over 1000HP with upgraded chargers
• Compatible with most Borg Warner S400 frame chargers and stock based Holset chargers
• CNC machined and laser cut flanges for flawless mounting to your Cummins 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
• Can be used with Pusher 3.5" Mega Passenger-Side inter cooler tube
• Designed to work with stock and most "stock replacement" aftermarket exhaust manifolds
• Full steel intermediate charge pipe with a port for a boost sensor
• Front mount 5" Cold Air Intake with hidden sensor ports and massive Pusher 50 CAL Air Filter with Pusher branded Pre-filter.
• Cab/chassis trucks may require an exhaust manifold for a non cab/chassis truck and a coolant riser tube modifications. Please call us for additional information. 

Click here to learn how to care for the washable 50 CAL air filter. 

The Intermediate Exhaust Pipe comes standard with a 2000°F-rated Cerakote coating for exceptional durability. It is designed to optimize exhaust flow while minimizing interference with surrounding engine bay components. The pipe is hydro-formed to provide a seamless transition, perfectly matching the S400 turbine inlet.

• All fittings and oil/water lines are premium-grade components sourced from trusted, well-known manufacturers.
• Extremely heavy duty turbo mount - proven to hold the S400 in place in any condition.
• The S400 charger is situated for optimal routing of each component in the system.
• No welding or significant modifications to surrounding engine bay components are required. This is a true bolt-on system that can be installed in 4 to 8 hours, depending on skill level and pace of work.
• Our system includes everything needed for a seamless installation: gaskets and hardware, durable 5-ply silicone couplers, stainless steel T-bolt clamps, wire loom, and detailed instructions with photos.