
aFe 77-42006 Scorcher HD Module for 2003-2004 5.9 Cummins
Unlock the true potential of your 2003-2004 5.9 Cummins engine with the aFe 77-42006 Scorcher HD Module. This high-performance module is designed to deliver impressive gains of up to 60 horsepower and 90 lb-ft of torque, significantly enhancing your vehicle’s acceleration and throttle response.
Installation is a breeze with the easy plug-in design, allowing you to get started quickly without complicated modifications. The included in-cabin LED switch enables on-the-fly power adjustments, giving you the flexibility to tailor your engine's performance to suit various driving conditions. Choose from four distinct power settings—Stock, Sport, Sport+, and Race—so you can easily find the right balance between everyday driving and maximum power output on the track.
Built with a high-quality case and a durable wire harness featuring OEM-style connectors, the aFe 77-42006 ensures a secure and long-lasting fit. This module not only enhances your truck’s performance but also maintains its reliability, making it an ideal upgrade for enthusiasts who demand more from their vehicles.
Key Features:
- Significant Power Gains: Increases horsepower by up to 60 and torque by up to 90 lb-ft for improved acceleration and performance.
- Convenient Installation: Plug-and-play design allows for quick setup with no modifications required.
- In-Cabin Adjustability: The LED switch provides easy, on-the-fly power adjustments to match your driving needs.
- Four Power Settings: Choose between Stock, Sport, Sport+, and Race to optimize performance for any situation.
- Durable Construction: High-quality case and OEM-style connectors ensure a reliable and lasting installation.
Upgrade your 5.9 Cummins with the aFe 77-42006 Scorcher HD Module and experience enhanced power and responsiveness like never before. Whether on the street or the track, this module is designed to elevate your driving experience.

aFe 77-42006 Scorcher HD Module for 2003-2004 5.9 Cummins
Unlock the true potential of your 2003-2004 5.9 Cummins engine with the aFe 77-42006 Scorcher HD Module. This high-performance module is designed to deliver impressive gains of up to 60 horsepower and 90 lb-ft of torque, significantly enhancing your vehicle’s acceleration and throttle response.
Installation is a breeze with the easy plug-in design, allowing you to get started quickly without complicated modifications. The included in-cabin LED switch enables on-the-fly power adjustments, giving you the flexibility to tailor your engine's performance to suit various driving conditions. Choose from four distinct power settings—Stock, Sport, Sport+, and Race—so you can easily find the right balance between everyday driving and maximum power output on the track.
Built with a high-quality case and a durable wire harness featuring OEM-style connectors, the aFe 77-42006 ensures a secure and long-lasting fit. This module not only enhances your truck’s performance but also maintains its reliability, making it an ideal upgrade for enthusiasts who demand more from their vehicles.
Key Features:
Significant Power G[...]
aFe 77-42006 Scorcher HD Module for 2003-2004 5.9 Cummins
Unlock the true potential of your 2003-2004 5.9 Cummins engine with the aFe 77-42006 Scorcher HD Module. This high-performance module is designed to deliver impressive gains of up to 60 horsepower and 90 lb-ft of torque, significantly enhancing your vehicle’s acceleration and throttle response.
Installation is a breeze with the easy plug-in design, allowing you to get started quickly without complicated modifications. The included in-cabin LED switch enables on-the-fly power adjustments, giving you the flexibility to tailor your engine's performance to suit various driving conditions. Choose from four distinct power settings—Stock, Sport, Sport+, and Race—so you can easily find the right balance between everyday driving and maximum power output on the track.
Built with a high-quality case and a durable wire harness featuring OEM-style connectors, the aFe 77-42006 ensures a secure and long-lasting fit. This module not only enhances your truck’s performance but also maintains its reliability, making it an ideal upgrade for enthusiasts who demand more from their vehicles.
Key Features:
- Significant Power Gains: Increases horsepower by up to 60 and torque by up to 90 lb-ft for improved acceleration and performance.
- Convenient Installation: Plug-and-play design allows for quick setup with no modifications required.
- In-Cabin Adjustability: The LED switch provides easy, on-the-fly power adjustments to match your driving needs.
- Four Power Settings: Choose between Stock, Sport, Sport+, and Race to optimize performance for any situation.
- Durable Construction: High-quality case and OEM-style connectors ensure a reliable and lasting installation.
Upgrade your 5.9 Cummins with the aFe 77-42006 Scorcher HD Module and experience enhanced power and responsiveness like never before. Whether on the street or the track, this module is designed to elevate your driving experience.