BD Diesel Iron Horn S364SXE|76 0.91 AR Turbo Kit (1045171) for 2003-2007 Cummins 5.9L

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The BD Diesel Iron Horn S364SXE/76 0.91 A/R Turbo Kit (1045171) is a direct bolt-on performance upgrade for 2003–2007 Dodge Ram trucks with 5.9L Cummins engines. Featuring a BorgWarner S364SXE turbo with a 76mm turbine and 0.91 A/R T4 housing, it improves horsepower, torque, airflow, and throttle response while reducing turbo lag. Designed for street, towing, and performance use, it offers durability, efficiency, and enhanced engine performance for drivers seeking more than stock capabilities.

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Description

The BD Diesel Iron Horn S364SXE/76 0.91 A/R Turbo Kit (1045171) is a high-performance upgrade designed specifically for 2003-2007 Dodge Ram trucks equipped with the 5.9L Cummins diesel engine. Engineered for enthusiasts seeking improved horsepower, torque, and overall engine efficiency, this turbo kit features the robust BorgWarner S364SXE turbocharger with a 76mm turbine and a 0.91 A/R T4 housing. The Iron Horn kit is a direct bolt-on solution, offering durability and reliability for street, towing, and performance applications. Its design enhances airflow and reduces turbo lag, resulting in quicker spool-up times and more responsive throttle performance. Ideal for drivers looking to push their Cummins-powered trucks beyond stock capabilities, the BD Diesel Iron Horn turbo kit delivers a balanced combination of power, efficiency, and long-term dependability.

Additional information
Weight 63 lbs
Dimensions 45 × 13.5 × 13.5 in
Fitment

Fitment

2003-2007 Cummins 5.9L

Features

Features

  • Increase airflow for more power, response, and reliability
  • Replace your factory turbo with a S300 SX-E Borg Warner T4 flange turbo
  • Kit includes a 5.9L 2-piece BD high flow pulse T4 manifold and gaskets
  • No extra piping required, it drops in place for an easy, clean installation
  • Comp Wheel: 61.44mm (2.42in) to 69.00mm (2.72in)
  • Turbine Wheel: 76mm (2.99in) or 80mm (3.15in)
  • A/R Ratio: 0.91, 1.00 or 1.10 depending on application
  • Flow: 77 Lb/min to 98 Lb/min
  • Approximate rated 500hp – 700hp (depending on truck configuration)
Warning

Warning

This product CANNOT be shipped to California!

  • For 2003 to 2004 model year Dodge Ram 2500/3500 with HY35 turbo, a 2004.5-2007 style aftermarket downpipe (e.g., Flo Pro part number 20811) is required.
  • Aftermarket air intake kits may need modification.
  • Turbo mount exhaust brakes are incompatible; use a remote mount exhaust brake instead.
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About brand
BD Diesel Performance is a diesel performance manufacturer focused on reliability and towing performance. The company designs parts that improve durability, power delivery, and vehicle control. BD Diesel products support daily driving, heavy towing, and work-ready diesel trucks. BD Diesel engineers turbochargers, exhaust brakes, transmission upgrades, and fuel system components. Their products help manage heat, control exhaust flow, and protect drivetrain parts. These upgrades improve drivability under load and during long pulls. Diesel owners trust BD Diesel for proven solutions. Whether upgrading a tow rig or improving reliability, BD Diesel delivers parts built for real-world use.
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