6.7 Cummins Compound Turbo Kits | 2007.5–2018 Dodge Ram
DPS compound kits fit 2007.5–2018 Dodge 6.7 Cummins trucks. From stock power up to 1100 HP, these kits attach to the factory exhaust, retain the battery location, and come complete for installation. Available for trucks that have had EGR removal (DPS does not provide delete components).
Turbo Stage Options:
- Stage 5 – 700 HP: S363/73/.80 over S475
- Stage 5.5 – 700 HP: Ball Bearing S363/73/.80 over S475
- Stage 6 – 750 HP: S363/73/.80 over S480
- Stage 6.5 – 750 HP: Ball Bearing S363/73/.80 over S480
- Stage 8 – 1100 HP: S366/73/.80 over S480
- Stage 8.5 – 1100 HP: Ball Bearing S366/73/.80 over S480
Choosing Your Kit:
- Estimate your HP at the wheels, multiply by 1.25 for compound turbo power.
- Select your stage based on target HP.
- Optional: Add Turbonator® VGT for quicker spool-up and exhaust brake.
- Optional: Add ball bearing for 150–200 RPM faster spool.
Features & Benefits:
- Direct bolt-on fit, no cutting or fab needed
- Includes 3-piece high-flow exhaust manifold
- High-flow air filter, air intake, and all charge pipes
- Kevlar/Nomex lined silicone charge pipes for superior flow
- High-pressure metal charge pipe, cast hot pipe
- Steel braided oil supply lines, stainless oil drains
- S400 atmospheric + S300 high-pressure turbo (with wastegate)
- Support bracket for large turbo
- Optional VGT for exhaust brake and faster spool
- Lower EGTs by 250–400°F
- HP increase 25%–30% depending on setup
- Excellent for towing and daily driving
Why DPS Compound Turbos Work So Well:
- Cooler air (100°F+ cooler boost than single turbos)
- Boost and drive pressure nearly 1:1 for efficiency
- More complete combustion = cleaner exhaust, more power
- CAD/CAM + CFD designed for OEM-like fit and performance
Kit Includes:
- S300 + S400 turbos (except Stage 1 / add-a-turbo)
- Exhaust manifold
- All air, exhaust, and oil tubing
- Air intake + air filter
- Exhaust adapter for factory exhaust
Recommended Engine Prep:
- 2007.5–2018: Head studs over 45 PSI, fire rings over 55 PSI
- 2003–2007: Head studs over 55 PSI, fire rings over 65 PSI
- 1988–2002: Head studs over 48 PSI, fire rings over 55 PSI
Our compound kits fit 2007.5–2018 Dodge Ram Cummins trucks and deliver improved performance across the entire RPM range. Need a Ford or Chevy Cummins swap? Check out our Fummins / Chummins kits.
Note: These kits do not have a CARB exemption (exhaust manifolds do).
