Industrial Injection 227406 Boxer 58 Common Rail Turbo Kit for 5.9L Cummins

The Industrial Injection 227406 Boxer 58 Turbo Kit is a complete, bolt-on turbocharger upgrade engineered for the 2003–2007 Dodge Ram equipped with the 5.9L Cummins common rail diesel engine. Built around a genuine BorgWarner S300G turbocharger, this kit delivers a substantial jump in power potential while keeping installation straightforward and cost-effective.

The factory Holset turbochargers fitted to 3rd Generation 5.9L Cummins trucks perform well in stock form, but as mileage climbs and fueling or engine modifications are added, they become a performance and reliability bottleneck. The Boxer 58 addresses this directly with a larger, aerodynamically optimized compressor design capable of supporting 300–500 horsepower — enough headroom for street-driven trucks, daily tow rigs, and mild performance builds alike.

Key Features:

• Genuine BorgWarner S300G turbocharger — aerodynamically designed for efficient airflow and reliable boost delivery
• Rated to support up to 400 wheel horsepower on stock or mildly modified 5.9L Cummins engines
• Wide power range: supports 300–500 horsepower with fueling upgrades
• Faster turbo spool-up compared to the factory Holset unit
• Lower exhaust gas temperatures (EGTs) for safer, more efficient operation
• Improved fuel economy under normal driving and towing conditions
• Rugged thrust bearing design for durability under extreme load
• Direct bolt-on replacement — mounts in place of the factory turbo with no custom fabrication required

Kit Includes:

• BorgWarner S300G turbocharger
• HX40 downpipe with clamp
• Outlet elbow with clamp and o-ring
• Oil drain hose with clamps
• All hardware needed for installation

Industrial Injection recommends pairing the Boxer 58 with a high-flow air filter, ram air intake tube, performance exhaust system, and a boost control fitting to maximize horsepower potential. An optional Billet Blade Technology (BBT58) compressor wheel upgrade is also available, improving airflow by approximately 10% and supporting up to 20 additional horsepower over the standard cast wheel.

Note: This product is intended for competition/off-road use only. Compliance with applicable state and federal emissions regulations is the sole responsibility of the purchaser and installer.