5.9 Cummins BD 1045174 Iron Horn S3643SXE|80 .91AR Turbo Kit

Upgrade your 3rd Generation 5.9L Cummins with the BD Iron Horn Turbo Kit. This reliable and cost-effective solution features advanced BorgWarner SX-E cartridges and a two-piece pulse exhaust manifold, designed to improve power output and reduce EGTs. With a seamless drop-in installation, the Iron Horn is a great choice for all levels of enthusiasts. 

California Restricted

Key Features:

• Enhanced Airflow: Boosts airflow for improved power, response, and overall engine reliability.
• High-Performance Turbo: Replace your factory turbo with the S300 SX-E Borg Warner T4 flange turbo for superior efficiency and performance.
• Complete Installation Package: Includes a high-flow 2-piece BD pulse T4 manifold and all necessary gaskets for a straightforward upgrade.
• Easy Drop-In Installation: Designed for a clean and hassle-free fit with no extra piping required.
• Compressor Wheel Options: Available sizes range from 61.44mm (2.42in) to 69.00mm (2.72in) for optimized performance.
• Turbine Wheel Sizes: Choose between 76mm (2.99in) or 80mm (3.15in) based on your power needs.
• A/R Ratios: Options of 0.91, 1.00, or 1.10 available depending on your application.
• Flow Rate: Capable of flowing between 77 lb/min and 98 lb/min to support high horsepower applications.
• Power Rating: Approximate performance capability of 500hp to 700hp, depending on your truck configuration.

Important Notes:

• For 2003 to 2004 model year Dodge Ram 2500/3500 equipped with an HY35 turbocharger, a 2004.5-2007 style aftermarket downpipe (e.g., Flo Pro part number 20811) is required.
• Aftermarket air intake kits may require modifications for compatibility.
• Turbo mount exhaust brakes are not compatible; a remote mount exhaust brake is recommended.