Product Description
Drop EGTs and add serious top-end power with Industrial Injection’s S300 SX-E 69/74 single turbo kit (.91 A/R) for the 2003–2007 5.9L Cummins. This kit centers the SX-E on a high-flow T4 “2nd-gen style” mount for improved manifold/turbine efficiency and cleaner routing—ideal for street/strip builds that need fast spool with strong mid-to-upper RPM pull.
Fitment
- 2003–2007 Dodge Ram 2500/3500 5.9L Cummins (common rail)
- Turbo: S300 SX-E 69/74 with .91 A/R turbine housing
- Mounting: T4, 2nd-gen style center mount
Why This Kit
- SX-E forged-milled compressor wheel and upgraded thrust system for durability at elevated boost
- 2nd-gen style T4 layout improves exhaust flow and under-hood serviceability
- Balanced combo for hot-street/weekend-race trucks running larger fuel and supporting airflow
Recommended Parts (CPP internal links only)
- High-flow T4 exhaust manifold (DPS 3-pc)
- Downpipe solutions for high-mount/2nd-gen swaps (incl. WCF 4" S300 downpipe)
- CPP flexible turbo oil drain / return
- Intercooler & boost tube kits (boots & T-bolt clamps)
- 03–07 5.9L Cummins injectors
- More 2nd-gen swap components & hardware
- Shop all 03–07 5.9L Cummins parts
Helpful Notes
- Calibrate fueling (tuning/injectors) to match airflow; verify drive pressure and shaft speed on high-power setups.
- 2nd-gen style swaps often require compatible downpipe, charge piping, intake and A/C line reroute—plan your parts list using the links above.
FAQ
What power range is the 69/74 .91 A/R best for?Commonly used on hot-street 5.9L builds that want quick spool with the headroom for strong mid/top-end. Exact horsepower depends on fueling, intercooling, and tuning.
Is this a 2nd-gen style kit?Yes—this kit locates the turbo on a high-flow T4 manifold in a centered (2nd-gen style) position for improved exhaust flow and maintenance access.
What else do I need for installation?At minimum: a T4 manifold, correct downpipe, oil feed/return, compatible intake and charge piping, plus quality boots/clamps. See the “Recommended Parts” links above.
Will it tow well?With conservative tuning and appropriate gearing, many customers tow with SX-E singles; however, this 69/74 is chosen more for performance than heavy daily towing.