Blessed Performance has the Bully Dog Quick Spool Turbo 2003-2004.5 Cummins 5.9L trucks.
Upgrade the response and efficiency of your 2003–2004.5 Cummins 5.9L with the Bully Dog Performance Quick Spool Turbo. Designed as a direct OEM replacement, this light-duty turbo delivers improved spool characteristics, enhanced airflow, and dependable OEM-level reliability for daily driving, towing, and performance applications.
At the heart of this upgrade is a 58mm billet compressor wheel, engineered to improve airflow efficiency and boost response over stock turbo systems. The billet construction increases strength and durability under sustained load, helping maintain consistent performance in demanding diesel applications.
The black powder-coated compressor housing provides a durable, corrosion-resistant finish while giving the turbo a clean, performance-driven appearance. Built with OEM-quality components, this turbo is designed for long-lasting reliability and factory-style operation, making it an ideal upgrade for owners who want performance without sacrificing dependability.
With direct OEM fitment, installation is straightforward and does not require extensive modification, allowing for a seamless replacement of the factory unit. The improved design significantly reduces turbo lag, delivering quicker throttle response and more immediate boost delivery across the RPM range. Enhanced airflow further supports overall engine efficiency and drivability.
This turbo also includes an actuator, ensuring proper boost control and simplified installation right out of the box.
Highlights:
- 58mm Billet wheel construction
- Black powder-coated compressor housing
- OEM quality components
- Direct OEM fitment
- Reduced turbo lag for better throttle response
- Better airflow
- 2 Year warranty