77-42018 Scorcher HD Power Module

Features:

• Dyno tested up to +59 HP
• Dyno tested up to +147 lb-ft torque
• Plug-and-play install, no modifications required
• Approximately 30 minute installation
• Increases turbo boost and fuel pressure
• 4 power settings via LED switch
• In-cabin on-the-fly power adjustment
• Leaves no trace on the ECU
• OEM-style connectors, no harness cutting
• 100% unit testing for reliability

Real Power Gains Without Touching Your ECU

If you've been hesitant to tune your 2025-2026 Ram 2500 or 3500 6.7L Cummins because you don't want to mess with the factory ECM, the aFe Power Scorcher HD gives you a genuinely different path. This plug-and-play module alters pressure sensor signals to increase turbo boost and fuel pressure, and according to aFe's own dyno testing, Race mode delivers up to 59 additional horsepower and 147 additional lb-ft of torque. Installation takes about 30 minutes using OEM-style connectors that plug directly into your factory wiring, so there's no cutting, splicing, or permanent modification involved. Once it's in, an LED light switch mounted anywhere in the cabin lets you adjust power on the fly between four settings, Stock, Sport, Sport+, and Race, so you can dial in exactly how aggressive you want the truck to feel for a given situation. Because the module works by modifying sensor signals rather than flashing the ECM itself, it leaves no trace or footprint behind, which matters for anyone concerned about warranty or dealer visits down the line. For a Cummins owner who wants real power on demand without committing to a permanent tune, this module delivers exactly that kind of flexibility.

Pressure Signal Modification Engineered For Reliable, Repeatable Gains

The aFe Power 77-42018 Scorcher HD Power Module is engineered specifically for 2025-2026 Ram 2500 and 3500 trucks equipped with the 6.7L Cummins engine. The module works by altering turbo boost and fuel pressure sensor signals rather than reflashing the factory ECU, and aFe's own specifications confirm it does not modify the ECU in any way. Dyno testing shows gains of up to 59 horsepower and 147 lb-ft of torque in Race mode, with four selectable power levels, Stock (Green), Sport (Yellow), Sport+ (Orange), and Race (Red), adjustable on the fly through an in-cabin LED light switch. The module uses a high-quality enclosure and wire harness with factory-style connectors that plug directly into the stock wiring and sensors, requiring no modification to the factory harness. Every Scorcher HD module is 100% tested before shipping to confirm proper function and reliability. aFe specifically recommends using Sport or Sport+ settings while towing rather than Race mode, and advises against pairing this module with any other tuners or modules. This product is not currently CARB exempt and is not available for purchase in California or for use on any vehicle registered with the California DMV.

Fitment: 2025, 2026 RAM 2500/3500 6.7L Cummins

Notes:

• Not CARB exempt, not available for purchase or use in California
• Horsepower and torque gains are manufacturer-rated figures based on dyno testing
• Do not use with any other tuners or modules
• Use Sport or Sport+ setting during towing, not Race mode
• Does not modify or reflash the ECU, no permanent footprint left behind
• Optimized for use alongside other aFe Power performance products

Install Instructions