BD Diesel Iron Horn S361SXE|76 0.91 AR Turbo Kit (1045170) for 2003-2007 Cummins 5.9L

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The BD Diesel Iron Horn S361SXE/76 0.91 A/R Turbo Kit (1045170) is a performance upgrade for 2003–2007 Dodge Ram trucks with 5.9L Cummins engines. Featuring the BorgWarner S361SX-E turbocharger, it improves horsepower, torque, and efficiency with better airflow and boost. With a 76mm turbine and 0.91 A/R housing, it offers quick spool-up and low turbo lag, making it suitable for daily driving, towing, and performance use. The kit includes all necessary components for easy installation, providing a durable, single-turbo solution without the complexity of a twin-turbo setup.

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Description

The BD Diesel Iron Horn S361SXE/76 0.91 A/R Turbo Kit (1045170) is a high-performance upgrade designed specifically for 2003–2007 Dodge Ram trucks equipped with the 5.9L Cummins diesel engine. This turbo kit features the proven BorgWarner S361SX-E turbocharger, which delivers enhanced airflow and increased boost pressure for improved horsepower, torque, and overall engine efficiency. With a 76mm turbine and a 0.91 A/R housing, the Iron Horn kit is ideal for daily driving, towing, and performance applications, offering quicker spool-up and reduced turbo lag. The kit includes all necessary hardware, oil lines, and mounting components for a straightforward installation, making it a reliable, drop-in solution for enthusiasts seeking a balance between power and durability without the complications of a twin-turbo setup.

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.
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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