BD Diesel Iron Horn S364SXE|80 0.91 AR Turbo Kit (1045174) for 2003-2007 Cummins 5.9L

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The BD Diesel Iron Horn S364SXE|80 0.91 AR Turbo Kit (1045174) is a high-performance, direct-fit upgrade for 2003–2007 Dodge Ram trucks with the 5.9L Cummins engine. Featuring the BorgWarner S364SX-E turbocharger, it offers improved airflow, quicker spool-up, and increased boost over stock. Ideal for towing and performance use, the kit includes all necessary installation components and delivers significant gains in horsepower and torque while maintaining durability and reliability.

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Description

The BD Diesel Iron Horn S364SXE|80 0.91 AR Turbo Kit (1045174) is a high-performance, direct-fit upgrade designed specifically for 2003–2007 Dodge Ram trucks equipped with the 5.9L Cummins engine. This turbo kit features the robust BorgWarner S364SX-E turbocharger with an 80mm turbine wheel and a 0.91 A/R T4-wastegated turbine housing, providing improved airflow, quicker spool-up, and greater boost capabilities over the stock turbo. Ideal for performance enthusiasts and towing applications, the kit includes all necessary components for installation, such as a manifold, downpipe, oil lines, and hardware. With enhanced durability and efficiency, the Iron Horn S364SXE turbo kit delivers significant horsepower and torque gains, making it a popular choice for Cummins owners looking to elevate their truck’s performance without sacrificing reliability.

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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